Johnson Rd., Bow, NH, Mineral Gallery              Return to mindatnh front page.            Click on image for larger view
This page is an alphabetical photo gallery of minerals from the Johnson Rd., Bow, New Hampshire locality.   (A locality specific photo set from mindatnh.org)
26 species, 63 mineral photos

The Johnson Road locality is a blasted ledge construction site containing a quartz crystal vein with sulfide ore mineralization.
On some maps Johnson Road is labeled as River Rd. A majority of the specimens here were collected by collectors desiring to remain anonymous.
This site is on private, commercial, property. A May 2018 permission request to collect minerals was denied. A very large warehouse is now (9/18) under construction on this site. The rear of this building is in the area where the ore vein minerals were collected.
Highslide JS
Bow Locality   Johnson Rd., Bow, NH
Aerial view of Bow locality

Locality:           Bow Locality - 2016
Notes: Aerial view 2016
Highslide JS
Bow Locality   Johnson Rd., Bow, NH
Street side view of Bow locality


Highslide JS
Bow Locality   Johnson Rd., Bow, NH
Street side view of Bow locality

Locality:           Bow Locality - 2018
Notes: Street side views 2018
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ANGLESITE ?   Johnson Rd., Bow, NH
Approx. 0.1 mm anglesite crystal

Species:           ANGLESITE ?
Locality:          Johnson Rd., Bow, NH
Specimen Size: Approx. 0.1 mm anglesite crystal
Field Collected: 2016
Catalog No.: u2110
Notes:
Highslide JS
ANGLESITE   Johnson Rd., Bow, NH
Approx. 0.7 mm clear, rhombic prism, anglesite crystal

Species:           ANGLESITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 0.7 mm clear, rhombic prism, anglesite crystal
Field Collected: 2016
Catalog No.: u2145
Notes: Backside reflections through this clear crystal make it appear hexagonal in this photo.
Although both anglesite and cerussite are orthorhombic, these anglesite crystals lack the striations on the prism faces.
Stack of 40 images with Nikon Plan 10 objective and Canon G9 camera
Highslide JS
ANGLESITE   Johnson Rd., Bow, NH
Approx. 0.7 mm milky, rhombic prism, anglesite crystal

Species:           ANGLESITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 0.7 mm milky, rhombic prism, anglesite crystal
Field Collected: 2016
Catalog No.: u2147
Notes: Flat rhombic prism termination is on top.
Stack of 8 images with Meiji triocular scope objective and Canon G9 camera. Compare with photo taken with Nikon Plan 10 objective lens.
Highslide JS
ANGLESITE   Johnson Rd., Bow, NH
4 mm field of view

Species:           ANGLESITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 4 mm field of view
Field Collected: 2016
Catalog No.: u2147
Notes: Stack of 61 images with Nikon Plan 10 objective and Canon G9 camera
Highslide JS
ANGLESITE   Johnson Rd., Bow, NH
1.5 mm anglesite crystal


Highslide JS
ANGLESITE   Johnson Rd., Bow, NH
1.5 mm anglesite crystal (center) on 8 mm corroded galena crystal.

Species:           ANGLESITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.5 mm anglesite crystal on 8 mm corroded galena crystal.
Field Collected: 2016
Catalog No.: u2154
Notes: Stack of 57 images with Nikon Plan 10 objective and Canon G9 camera
Highslide JS
ANGLESITE   Johnson Rd., Bow, NH
0.4 mm rhombic prism

Species:           ANGLESITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 0.4 mm rhombic prism
Field Collected: 2016
Catalog No.: u2133
Notes: Stack of 34 images with Nikon Plan 10 objective and Canon G9 camera. Unsure if termination is natural or broken. There is some preferential iron staining on the front prism corner.
Highslide JS
ANGLESITE   Johnson Rd., Bow, NH
0.7 mm terminated rhombic prism

Species:           ANGLESITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 0.7 mm terminated rhombic prism
Field Collected: 2016
Catalog No.: u2133
Notes: Stack of 20 images with Nikon Plan 10 objective and Canon G9 camera.
Highslide JS
ANGLESITE   Johnson Rd., Bow, NH
1.8 mm anglesite broken cross-section rhombic prism with distinct color zoning.

Species:           ANGLESITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.8 mm anglesite broken cross-section rhombic prism with distinct color zoning.
Field Collected: 2016
Catalog No.: u2133
Notes: A polished crystal section grain from this specimen was analyzed by EDS. This EDS analyses (BC271 - set 19) indicated a lead mineral, but unfortunately the Pb and S spectral lines substantially overlap, so one cannot determine from the analysis if sulfur is present or not. If sulfur is present, then the species indicated by the EDS analysis is anglesite, PbSO4. If sulfur is not present, then the species is cerussite, PbCO3. (there is a small carbon peak at the low spectral end, part of which may be due to the presence of carbonate ions and part due to the known presence of the sample carbon coating.) However a wet chemical test strongly suggests that this is anglesite. A drop of muriatic acid on a similar partial crystal on the specimen underside gave no carbonate fizz, (indicative of cerussite, a carbonate mineral). A similar test on a known cerussite specimen gave a good carbonate fizz, validating this cerussite characteristic.
Highslide JS
ARAGONITE   Johnson Rd., Bow, NH
2 mm field of view

Species:           ARAGONITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 2 mm field of view
Field Collected: Tom Mortimer
Catalog No.: u2197
Notes: Gives vigorous fizz in muriatic acid. Pale green fluorescence SW UV.
Highslide JS
ARAGONITE   Johnson Rd., Bow, NH
1.5 mm field of view.

Species:           ARAGONITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.5 mm field of view.
Field Collected: Jim Cahoon
Catalog No.: A Bob Wilken specimen and photo
Notes:
Highslide JS
AURICHALCITE   Johnson Rd., Bow, NH
1.7 mm field of view

Species:           AURICHALCITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.7 mm field of view
Field Collected: Tom Mortimer
Catalog No.: u2191
Notes:
Highslide JS
AURICHALCITE   Johnson Rd., Bow, NH
0.6 mm blue-green ball

Species:           AURICHALCITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 0.6 mm blue-green ball
Field Collected: Tom Mortimer
Catalog No.: u2189
Notes: Stack of 17 images with Nikon Plan 10 objective and Canon G9 camera.
Highslide JS
BARITE   Johnson Rd., Bow, NH
1.2 mm co-joined pair of tabular barite crystals

Species:           BARITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.2 mm co-joined pair of tabular barite crystals
Field Collected: 2016
Catalog No.: u2110
Notes: I only found one specimen example of barite in a couple dozen pounds of Bow sulfide-quartz vein material that I broke down. I found it in one of the first chunks I broke apart. I expected to find more, but never did. A tiny anglesite crystal is at the top apex of the larger tabular barite crystal.
Highslide JS
BARITE ?   Johnson Rd., Bow, NH
1.2 mm cluster of barite crystals


Highslide JS
BARITE ?   Johnson Rd., Bow, NH
1.2 mm cluster of barite crystals

Species:           BARITE ?
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.2 mm cluster of barite crystals - see notes
Field Collected: 2016
Catalog No.: u2110
Notes: One of these crystals has a distinct hexagonal tabular habit that is characteristic of the lead carbonate-sulfate, leadhillite. This crystal is outlined in the second photo. Other crystals in the cluster have more of a tabular-prismatic barite habit.
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CALCITE   Johnson Rd., Bow, NH
12 mm field of view. 0.5 mm calcite crystals oriented on dolomite rhombs.


Highslide JS
CALCITE   Johnson Rd., Bow, NH
4 mm field of view. 0.5 mm calcite crystals oriented on dolomite rhombs.


Highslide JS
CALCITE   Johnson Rd., Bow, NH
0.5 mm calcite crystals oriented on dolomite rhombs.

Species:           CALCITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 12 mm field of view - top photo. 0.5 mm calcite crystals oriented on dolomite rhombs.
Field Collected: 2016
Catalog No.: 2071
Notes: These oriented calcite rhombs are quite interesting. My larger field views are not particularly satisfying. The largest FOV with this set was using +7 diopters on my Canon. The middle FOV was through the Meiji (stack of 23). The close-up was with the Nikon objective, stack of 18 images.
Of the dozen or so multi-inch samples acquired from Paul Young, only one had calcite crystals.
Highslide JS
CERUSSITE   Johnson Rd., Bow, NH
1.4 mm cerussite crystal

Species:           CERUSSITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.4 mm cerussite crystal
Field Collected: 2016
Catalog No.: u2132
Notes:
Highslide JS
CERUSSITE   Johnson Rd., Bow, NH
1 mm cerussite "V" twin

Species:           CERUSSITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1 mm cerussite "V" twin
Field Collected: 2016
Catalog No.: u2082
Notes:
Highslide JS
CERUSSITE   Johnson Rd., Bow, NH
Pair of oxide coated, 0.8 mm, cerussite crystals

Species:           CERUSSITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: Pair of oxide coated, 0.8 mm, cerussite crystals
Field Collected: 2016
Catalog No.: u2137
Notes: Several cerussite habits are present at this Bow locality, including this steep termination variety.
Stack of 30 images with Nikon Plan 10 objective and Canon G9 camera.
Highslide JS
CERUSSITE   Johnson Rd., Bow, NH
2.5 mm field of view

Species:           CERUSSITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 2.5 mm field of view
Field Collected: 2016
Catalog No.: u2159
Notes: Several cerussite habits are present at this Bow locality, including this stubby prismatic habit.
Stack of 18 images with Meiji scope and Canon G9 camera.
Highslide JS
CERUSSITE   Johnson Rd., Bow, NH
1.0 mm blocky cerussite crystal

Species:           CERUSSITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.0 mm blocky cerussite crystal
Field Collected: 2016
Catalog No.: u2159
Notes: Stack of 30 images with Canon G9 camera and Nikon Plan 10 objective.
Highslide JS
CERUSSITE   Johnson Rd., Bow, NH
1.2 mm cerussite crystal (largest)

Species:           CERUSSITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.2 mm cerussite crystal (largest)
Field Collected: 2016
Catalog No.: u2156
Notes: This prismatic cerussite form is the most common at the Bow locality.
Stack of 51 images with Canon G9 camera and Nikon Plan 10 objective.
Highslide JS
CERUSSITE   Johnson Rd., Bow, NH
1 mm cerussite crystal

Species:           CERUSSITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1 mm cerussite crystal
Field Collected: A Bob Wilken specimen and photo
Catalog No.: u2156
Notes:
Highslide JS
CHALCANTHITE ?   Johnson Rd., Bow, NH
4 mm field of view

Species:           CHALCANTHITE ?
Locality:          Johnson Rd., Bow, NH
Specimen Size: 4 mm field of view
Field Collected: 2016
Catalog No.: u2083
Notes: Overall 1.4 cm specimen has some sphalerite and hydrozincite.
Wet tests: A tiny second zone on the matrix did not dissolve or appear to alter when a drop of water was added. Chalcanthite is water soluable. When a drop of muriatic was added, the mineral disolved. No fizz was observed (under my scope), but the area was very small. No colored residue was seen after the muriatic evaporated.
Highslide JS
CHALCOPYRITE   Johnson Rd., Bow, NH
10 mm field of view

Species:           CHALCOPYRITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 10 mm field of view
Field Collected: 2016
Catalog No.: u2155
Notes: At the Bow locality, chalcopyrite is rarely seen in vugs and when observed is almost always badly erroded. Green copper minerals are usually present with and on these relict crystals, as seen here. Chalcopyrite fully enclosed in quartz does retain its brassy color.
Highslide JS
COVELLITE ?   Johnson Rd., Bow, NH
5 mm field of view

Species:           COVELLITE ?
Locality:          Johnson Rd., Bow, NH
Specimen Size: 5 mm field of view. This is sample analyzed.
Field Collected: 2016
Catalog No.: u2152
Notes: A carbon tape EDS analysis (BC250) showed a copper sulfur zinc mineral with moderate oxygen. The Cu:S:Zn APFU ratio from the analysis was 9:3:1. The Cu:S ratio for covellite (CuS) is 1:1.
It is uncertain if the zinc is essential for this mineral sample or not. There are 12 species with only Cu and S as essential, with varying ratios of Cu and S. There are no minerals with Zn, S and Cu essential, but no oxygen. If the oxygen is essential, then the number of candidates is six, but none of these visually fit.
Highslide JS
COVELLITE   Johnson Rd., Bow, NH
2.5 mm field of view

Species:           COVELLITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 2.5 mm field of view
Field Collected: 2016
Catalog No.: u2160
Notes: Covellite filled cavity in quartz.
Highslide JS
DENDRITE   Johnson Rd., Bow, NH
6 mm field of view. Quartz crystal with Mn dendrites

Species:           DENDRITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 6 mm field of view. Quartz crystal with Mn dendrites
Field Collected: Jim Cahoon
Catalog No.: u2195
Notes:
Highslide JS
DOLOMITE   Johnson Rd., Bow, NH
1.5 cm field of view

Species:           DOLOMITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.5 cm field of view
Field Collected: 2016
Catalog No.: 2070
Notes: A few tiny calcite crystals are sprinkled on the curved, rhombic, dolomite crystals. This could be ankerite, but recent studies have shown that most "ankerite" is ferroan dolomite.
Highslide JS
GALENA   Johnson Rd., Bow, NH
9 cm specimen. Galena in milky quartz.

Species:           GALENA
Locality:          Johnson Rd., Bow, NH
Specimen Size: 9 cm specimen. Galena in milky quartz.
Field Collected: 2016
Catalog No.: NC
Notes: Yellow arrows point to areas of secondary minerals.
Galena is the most common sulfide mineral at the Johnson Rd. locality.
Highslide JS
GALENA   Johnson Rd., Bow, NH
5 cm specimen. Galena in milky quartz.

Species:           GALENA
Locality:          Johnson Rd., Bow, NH
Specimen Size: 5 cm specimen. Galena in milky quartz.
Field Collected: 2016
Catalog No.: 2073
Notes:
Highslide JS
GALENA   Johnson Rd., Bow, NH
10 mm field of view. Galena crystal in quartz crystal vug.

Species:           GALENA
Locality:          Johnson Rd., Bow, NH
Specimen Size: 10 mm field of view. Galena crystal in quartz crystal vug.
Field Collected: Jim Cahoon
Catalog No.: NC
Notes: No image stacking. This is the only euhedral galena crystal I saw from this Bow locality.
Highslide JS
GOETHITE   Johnson Rd., Bow, NH
2.5 cm specimen.

Species:           GOETHITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 2.5 cm specimen.
Field Collected: 2016
Catalog No.: u2165
Notes: A January, 2018 carbon tape EDS analysis showed mostly an iron oxide (goethite) with a bit of zinc and sulfur. I had considered this deep orange mineral might be minium, the lead-oxide mineral, due to all the decomposing galena nearby.
Highslide JS
GREENOCKITE on sphalerite   Johnson Rd., Bow, NH
2 mm field of view

Species:           GREENOCKITE on sphalerite
Locality:          Johnson Rd., Bow, NH
Specimen Size: 2 mm field of view
Field Collected: 2016
Catalog No.: u2200
Notes:
Highslide JS
GYPSUM   Johnson Rd., Bow, NH
5 mm field of view

Species:           GYPSUM
Locality:          Johnson Rd., Bow, NH
Specimen Size: 5 mm field of view
Field Collected: 2016
Catalog No.: u2164
Notes: A visual identification. Mineral is fluorescent pale white in SW UV. EDS verification planned.
A 16 image stack via Meiji trinocular port.
Highslide JS
GYPSUM   Johnson Rd., Bow, NH
0.7 mm crystal group

Species:           GYPSUM
Locality:          Johnson Rd., Bow, NH
Specimen Size: 0.7 mm crystal group
Field Collected: 2016
Catalog No.: A Bob Wilken specimen and photo
Notes: A visual identification..
Highslide JS
GYPSUM   Johnson Rd., Bow, NH
1 mm field of view


Highslide JS
GYPSUM   Johnson Rd., Bow, NH
0.7 mm field of view


Highslide JS
GYPSUM   Johnson Rd., Bow, NH
0.7 mm field of view

Species:           GYPSUM
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1 mm field of view. Second, zoomed view, 0.7 mm FOV. Third photo shows overall 2.7 cm specimen.
Field Collected: 2016
Catalog No.: u2131
Notes: A visual identification. Mineral is fluorescent pale white to slightly yellow-greenish in SW UV. Gypsum is frequently fluorescent. Initial thought was that this is hydrozincite, but fluorescence is too weak for that species. Bob Wilken suggested aragonite, but a small removed grain gave no muriatic acid fizz. EDS verification planned.
A 47 image stack with Nikon Plan 10 objective. Third photo shows overall specimen with gypsum coating quartz crystals to the right of a galena mass.
Highslide JS
HEMIMORPHITE   Johnson Rd., Bow, NH
0.1 mm hemimorphite cluster on oxide coated quartz crystal


Highslide JS
HEMIMORPHITE   Johnson Rd., Bow, NH
0.1 mm hemimorphite cluster on oxide coated quartz crystal

Species:           HEMIMORPHITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 0.1 mm hemimorphite cluster on oxide coated quartz crystal, with second zoomed view
Field Collected: 2016
Catalog No.: u2134
Notes:[tm] This is only the second occurrence I have seen of New Hampshire hemimorphite.
EDS verification would be reassuring. There is another Pb mineral with a similar morphology, dundasite, PbAl2(CO3)2(OH)4 · H2O
Hemimorphite chemistry is: Zn4Si2O7(OH)2 · H2O , so EDS differentiation should be straightforward.
Highslide JS
HEMIMORPHITE   Johnson Rd., Bow, NH
0.7 mm hemimorphite cluster on quartz crystal

Species:           HEMIMORPHITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 0.7 mm hemimorphite cluster on quartz crystal
Field Collected: 2016
Catalog No.: u2140
Notes: Hemimorphite is a very late stage mineral at this Bow locality. It is found on oxide coated quartz crystals and in and on masses of goethite. The habit is typical for hemimorphite: clusters of lustrous, fan-like, sprays. Individual crystals rarely exceed one-half mm.
Highslide JS
HEMIMORPHITE   Johnson Rd., Bow, NH
1.2 mm hemimorphite

Species:           HEMIMORPHITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.2 mm hemimorphite
Field Collected: 2016
Catalog No.: u2203
Notes:
Highslide JS
HEMIMORPHITE   Johnson Rd., Bow, NH
1.2 mm hemisphere of crystals


Highslide JS
HEMIMORPHITE   Johnson Rd., Bow, NH
1.2 mm hemisphere of crystals, SW UV


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HEMIMORPHITE   Johnson Rd., Bow, NH
1.3 mm hemimorphite crystals, SW UV on TN specimen

Species:           HEMIMORPHITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.2 mm hemisphere of crystals. SW UV image below
Field Collected: Tom Mortimer
Catalog No.: u2182 - Gifted to Fred Davis
Notes: From a 50 image stack with Nikon objective.
I had no idea what this was. My best quess was smithsonite. When I forwarded the photo to Peter Cristofono, he suggested I check it with UV. I did this and observed the intense green fluorescence. When Peter saw this, he opined that this was very likely willemite, Zn2SO4. Peter stated that the only other reported New England occurrence was from the Copper Valley Mine in New Haven, CT. (The mindat.org photo of this shows a "Massive [10 mm] aggregate of tiny, white willemite crystals". The Bow specimens are excellent in comparison.
Based on his sulfide ore vein collecting in the southwest, Bob Wilken also independently suggested a willemite ID.
I shared Bow samples from my limited supply with several MMNE members at the symposium. Fred Davis, with occasional access to a Raman spectroscopy instrument, was able to provide an analysis. The Raman analysis gave a very good match for hemimorphite. In the email that accompanied the plot, Fred stated: “saw the bright fluorescence. Got it in the Raman and [was] shocked - hemimorphite. Probed all over the fragment, 6 or 7 different locations - the results were very consistent. I really wanted it to be willemite”.
A June 2018 EDS analysis (BC291) of similar u2178 indicated a simple zinc silicate, consistent with hemimorphite.
Highslide JS
HEMIMORPHITE   Johnson Rd., Bow, NH
1 mm field of view

Species:           HEMIMORPHITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1 mm field of view
Field Collected: 2016
Catalog No.: A Fred Davis specimen and photo
Notes:
Highslide JS
HEMIMORPHITE   Johnson Rd., Bow, NH
2.3 mm hemimorphite crystal cluster

Species:           HEMIMORPHITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 2.3 mm hemimorphite crystal cluster
Field Collected: 2016
Catalog No.: A Bob Wilken specimen and photo
Notes:
Highslide JS
HEMIMORPHITE   Johnson Rd., Bow, NH
3 mm hemimorphite crystal

Species:           HEMIMORPHITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 3 mm hemimorphite crystal
Field Collected: 2016
Catalog No.: A Bob Wilken specimen, photo, and ID.
Notes:
Highslide JS
HYDROKENOELSMOREITE ?   Johnson Rd., Bow, NH
1.5 mm field of view

Species:           HYDROKENOELSMOREITE ?
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.5 mm field of view
Field Collected: 2016
Catalog No.: A Bob Wilken specimen and photo
Notes: [bw] "These are definitely cubes with a mirror-like luster. There's no way they can be anglesite. A possibility that I've been wondering about is galena. It doesn't usually form individual, separate cubes that I've seen. But, maybe it could if it were to condense from hot gases. On the other hand, these little cubes are usually in vugs where other sulfides seem to have deteriorated. And, often there is a bluish covellite-look to the crusty coating surrounding them. It's what again makes me think the Pb has recombined with Cu to form murdochite."
An Octobr, 2018 carbon tape grain EDS analyses showed only tungston and oxygen, suggesting hydrokenoelsmoreite, [ ]2W2O6(H2O), as a possible species.
Highslide JS
HYDROKENOELSMOREITE ?   Johnson Rd., Bow, NH
1.2 mm field of view

Species:           HYDROKENOELSMOREITE ?
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.2 mm field of view
Field Collected: 2016
Catalog No.: u2212
Notes: Stack of 15 images in 0.01 increments with Nikon Plan 10 objective and Canon G9 camera.
These are not as lustrous as those in Bob Wilken's photo.
Highslide JS
HYDROKENOELSMOREITE ?   Johnson Rd., Bow, NH
1.1 mm field of view


Highslide JS
HYDROKENOELSMOREITE ?   Johnson Rd., Bow, NH
1.1 mm field of view

Species:           HYDROKENOELSMOREITE ?
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.1 mm field of view
Field Collected: 2016
Catalog No.: u2213
Notes: Oriented for cube face reflection. Helicon Focus stacking software method C (top) and method A (lower) on same image stack.
Highslide JS
HYDROPLUMBITE ?   Johnson Rd., Bow, NH
9 mm field of view.

Species:           HYDROPLUMBITE ?
Locality:          Johnson Rd., Bow, NH
Specimen Size: 9 mm field of view.
Field Collected: 2016
Catalog No.: u2136
Notes: Perhaps hydroplumbite, a hydrated lead oxide, the only Pb oxide that is white. This powdery white unknown has shown up on several specimens. It appears to be an weathering product of galena. This small chunk is solid galena, except for this powdery crust. I cannot find any photos of hydroplumbite. Mindat has it as "Approved, grandfathered, questionable." It is not listed in my 2008 Fleisher's.
Tests: Not fluorescent. Not soluble in water or muriatic acid.
A carbon tape grain EDS analyses (BC286 - set 19) indicated a lead mineral with oxygen. Unfortunately, the EDS did not resolve an ambiguity of lead and sulfur, so the possibility of powdered anglesite cannot be eliminated. The tiny bit of aluminum in the plot is likely a contaminant.
Highslide JS
HYDROZINCITE   Johnson Rd., Bow, NH
2.5 mm field of view

Species:           HYDROZINCITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 2.5 mm field of view
Field Collected: 2016
Catalog No.: u2083
Notes: A visual identification. Mineral is fluorescent bright white in SW UV. The dark mineral directly above the hydrozincite is sphalerite, the likely parent mineral of the hydrozincite.
Highslide JS
LINARITE   Johnson Rd., Bow, NH
2.0 mm field of view

Species:           LINARITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 2.0 mm field of view
Field Collected: 2016
Catalog No.: u2151
Notes: A visual identification. I made three image stack attempts to capture this tiny cluster. This was the best. A few other embedded blebs of linarite were spotted in the Bow material I reviewed, but this was the only group of distinct crystals.
Highslide JS
MALACHITE   Johnson Rd., Bow, NH
5 mm field of view

Species:           MALACHITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 5 mm field of view
Field Collected: 2016
Catalog No.: u2144
Notes: A tiny grain from this specimen was pushed into a drop of muriatic acid under my scope and dissolved with bubbles, proving a carbonate.
Highslide JS
PYRITE   Johnson Rd., Bow, NH
0.2 mm pyrite crystal

Species:           PYRITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 0.2 mm pyrite crystal
Field Collected: 2016
Catalog No.: u2083
Notes: Pyrite crystals, even tiny ones, are uncommon at this Bow locality, at least in the material I have reviewed.
Highslide JS
PYROMORPHITE coating   Johnson Rd., Bow, NH
5 mm field of view

Species:           PYROMORPHITE coating
Locality:          Johnson Rd., Bow, NH
Specimen Size: 5 mm field of view
Field Collected: Jim Cahoon
Catalog No.: A Bob Wilken specimen and photo
Notes: An EDS analysis done by Kerry Day for Bob Wilken indicated this yellowish coating is pyromorphite.
Highslide JS
QUARTZ   Johnson Rd., Bow, NH
14 cm specimen (5.5 inch). Quartz crystal vein section.

Species:           QUARTZ
Locality:          Johnson Rd., Bow, NH
Specimen Size: 14 cm specimen (5.5 inch). Quartz crystal vein section.
Field Collected: Tom Mortimer
Catalog No.: NC
Notes:
Highslide JS
QUARTZ   Johnson Rd., Bow, NH
5.5 cm specimen - oxide coated milky quartz crystals

Species:           QUARTZ
Locality:          Johnson Rd., Bow, NH
Specimen Size: 5.5 cm specimen - oxide coated milky quartz crystals
Field Collected: Tom Mortimer
Catalog No.: 2076
Notes:
Highslide JS
QUARTZ   Johnson Rd., Bow, NH
7 cm specimen - cleaned in Iron Out

Species:           QUARTZ
Locality:          Johnson Rd., Bow, NH
Specimen Size: 7 cm specimen - cleaned in Iron Out
Field Collected: Tom Mortimer
Catalog No.: 2075
Notes: Iron Out cleaned quartz specimens frequently are less photogenic.
Highslide JS
QUARTZ   Johnson Rd., Bow, NH
1 cm field of view. Milky quartz crystals with green inclusions

Species:           QUARTZ
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1 cm field of view. Milky quartz crystals with green inclusions
Field Collected: 2016
Catalog No.: 2072
Notes: The soft chalk-white mineral is likely kaolinite. It is not fluorescent.
Highslide JS
SMITHSONITE   Johnson Rd., Bow, NH
2.2 mm FOV


Highslide JS
SMITHSONITE-?   Johnson Rd., Bow, NH
0.9 mm FOV

Species:           SMITHSONITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: Top view 2.2 mm FOV. Lower view 0.9 mm FOV
Field Collected: 2016
Catalog No.: u2083
Notes: An EDS analysis on a tiny polished grain from this area gave an inconclusive result. The result suggested the balls may be an overgrowth-combination of several minerals, perhaps one being smithsonite. There is a moderate zinc content present. The sodium within the Zn plot peak may be due to a contamination of the carbon coating solvent. This small sample will not withstand another sample extraction without destroying it. No other candidate smithsonite samples have been seen from this Bow locality as of January, 2018.
A small zone of hydrozincite is present on this specimen.
Highslide JS
SMITHSONITE   Johnson Rd., Bow, NH
0.4 mm smithsonite crystal cluster

Species:           SMITHSONITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 0.4 mm smithsonite crystal cluster
Field Collected: 2016
Catalog No.: A Fred Davis specimen and photo
Notes:
Highslide JS
SMITHSONITE   Johnson Rd., Bow, NH
1.2 mm field of view

Species:           SMITHSONITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 1.2 mm field of view
Field Collected: Tom Mortimer
Catalog No.: u2196
Notes: From a 33 image stack with Nikon objective.
Highslide JS
SMITHSONITE   Johnson Rd., Bow, NH
0.6 mm smithsonite rhomb with stippled face

Species:           SMITHSONITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 0.6 mm smithsonite rhomb with stippled face
Field Collected: Tom Mortimer
Catalog No.: u2188
Notes: From a 21 image stack with Nikon objective. Crystal has orange-red fluorescence in SW UV.
Highslide JS
SPHALERITE   Johnson Rd., Bow, NH
0.7 mm sphalerite crystal

Species:           SPHALERITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 0.7 mm sphalerite crystal
Field Collected: 2016
Catalog No.: u2162
Notes: Isolated, euhedral, sphalerite crystals are rare in NH.
Highslide JS
SPHALERITE   Johnson Rd., Bow, NH
0.6 mm sphalerite crystal

Species:           SPHALERITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 0.6 mm sphalerite crystal
Field Collected: 2016
Catalog No.: u2138
Notes: The lighting makes this black sphalerite crystal appear somewhat blue.
Highslide JS
WULFENITE   Johnson Rd., Bow, NH
0.2 mm crystal

Species:           WULFENITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 0.2 mm crystal
Field Collected: Jim Cahoon
Catalog No.: A Bob Wilken specimen and photo
Notes: [tm] I had kept a watchful eye for wulfenite at the Bow locality, but Bob found one.
Highslide JS
WULFENITE   Johnson Rd., Bow, NH
0.3 mm crystal

Species:           WULFENITE
Locality:          Johnson Rd., Bow, NH
Specimen Size: 0.3 mm crystal
Field Collected: Jim Cahoon
Catalog No.: A Bob Wilken specimen and photo
Notes: