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Highslide JS
LEUCOPHOSPHITE   Palermo Mine, N. Groton, NH
0.4 mm crystal group.

Species:           LEUCOPHOSPHITE
Locality:          Palermo Mine, N. Groton, NH
Specimen Size: 0.4 mm crystal group.
Field Collected: Walter Lane
Catalog No.: u1205
Notes: A visual identification, EDS analysis pending. An alternate identification is phosphosiderite. If leucophosphite, this photo of leucophosphite is as good as any presently on the web (2011) that illustrate individual crystals. The best photograph of a leucophosphite crystal known to this web author is the one that appeared in the Sept.-Oct. 1981 issue of Rocks & Minerals. It is a color photo of a 3.3 mm Palermo Mine crystal.
Highslide JS
LEUCOPHOSPHITE   Palermo Mine, N. Groton, NH
Another 0.4 mm cluster on specimen u1205.

Species:           LEUCOPHOSPHITE
Locality:          Palermo Mine, N. Groton, NH
Specimen Size: Another 0.4 mm cluster on specimen u1205
Field Collected: Walter Lane
Catalog No.: u1205
Notes:
Highslide JS
LEUCOPHOSPHITE    Fletcher Mine, N. Groton, NH
2 mm field of view. Honey-colored leucophosphite rhombic tablets with powdery white coating, (particularly the background crystals)
Species:           LEUCOPHOSPHITE  
Locality:          Fletcher Mine, N. Groton, NH
Specimen Size: 2 mm field of view. Honey-colored leucophosphite rhombic tablets with powdery white coating.
Field Collected: Bob Whitmore - 1971
Catalog No.: A Bob Whitmore specimen
Notes: Identification per Bob Whitmore specimen label.
Highslide JS
LEUCOPHOSPHITE    Palermo #1 Mine, N. Groton, NH
4 mm field of view. Pale lavender plates of leucophosphite
Species:           LEUCOPHOSPHITE  
Locality:          Palermo #1 Mine, N. Groton, NH
Specimen Size: 4 mm field of view. Pale lavender plates of leucophosphite
Field Collected: Gene Bearss - 1982
Catalog No.: A Gene Bearss specimen
Notes:
Highslide JS
LEUCOPHOSPHITE    Parker Mtn. Mine, Center Strafford, NH
1.7 mm cluster of square, pale-pink, leucophosphite crystal plates

Species:           LEUCOPHOSPHITE    KFe3+2(PO4)2(OH) · 2H2O
Locality:          Parker Mtn. Mine, Center Strafford, NH
Specimen Size: 1.7 mm cluster of square, pale-pink, leucophosphite crystal plates
Field Collected: Gene Bearss
Catalog No.: A Gene Bearss specimen
Notes: For New Hampshire, these are excellent leucophosphite crystals.
As leucophosphite has not been previously reported from the Parker Mtn. Mine, hureaulite could be considered as an alternate identification for this specimen. Both hureaulite and leucophosphite are monoclinic, class 2/m. Leucophosphite has potassium as an "essential element" where-as hureaulite does not, so a qualtive EDS test would be diagnostic. Visually, I concur with Gene's leucophosphite ID.
Highslide JS
LEUCOPHOSPHITE  Valencia Mine, Groton, NH
2.1 mm field of view.


Highslide JS
LEUCOPHOSPHITE  Valencia Mine, Groton, NH
0.7 mm field of view.
Species:           LEUCOPHOSPHITE
Locality:         Valencia Mine, Groton, NH
Specimen Size: 2.1 mm field of view - top photo, 0.7 mm field of view, second photo
Field Collected: Dana Jewell
Catalog No.: This area lost on trim
Notes: Second photo is close-up of middle right.
Highslide JS
LEUCOPHOSPHITE  Valencia Mine, Groton, NH
2.2 mm field of view.
Species:           LEUCOPHOSPHITE
Locality:         Valencia Mine, Groton, NH
Specimen Size: 2.2 mm field of view
Field Collected: Dana Jewell
Catalog No.: u2582
Notes: A bonus from specimen trim. This is classic leucophosphite crystal habit.
A stack of 77 images, Nikon Plan 10 at max magnification. No image cropping.