Locality: Tower Hill Rhodonite Locale, Hinsdale, NH
Specimen Size: 9.5 cm specimen with dark brown dravite crystals in chlorite matrix
Field Collected: Tom Mortimer
Catalog No.: 1480
Notes: This Hinsdale dravite was verified by EDS analysis, (see image below).
Locality: Tower Hill Rhodonite Locale, Hinsdale, NH
Specimen Size: Zoom view of 3 cm dravite crystal in specimen 1480.
Field Collected: Tom Mortimer
Catalog No.: 1480
Notes: Dravite verified by EDS analysis. Note in the analysis plot, the Mg content is much higher than the Fe content. This Hinsdale dravite is the closest to the pure dravite tourmaline end member of any NH dravite known to the author (Tom Mortimer).
Locality: Island Mine, Alstead, NH
Specimen Size: 2 cm terminated dravite crystal.
Field Collected: Tom Mortimer
Catalog No.: 519
Notes: The Na-Mg dominant tourmaline, dravite, verified by EDS analysis.
EDS detector counts: Na = 135, Mg = 245, Al = 1437, Si = 1460, Fe = 157.
Locality: Island Mine, Alstead, NH
Specimen Size: 2.8 cm dravite crystal pair with smaller crystal penetrating larger one at top.
Field Collected: Tom Mortimer
Catalog No.: 518
Notes: Slight transparency of these crystals reveals the brownish coloration characteristic of the dravite species.The specimen has a number of small embedded garnet crystals, likely spessartine.
Locality: Island Mine, Alstead, NH
Specimen Size: 3.8 cm double terminated dravite "log" with terminated dravite crystal "branches".
Field Collected: Kevin Mortimer
Catalog No.: KTM
Notes: A most unusual dravite crystal group from this locality.
Locality: Island Mine, Alstead, NH
Specimen Size: 3.5 cm cluster of terminated dravite crystals.
Field Collected: Kevin Mortimer
Catalog No.: KTM
Notes:
Locality: Island Mine, Alstead, NH
Specimen Size: 7 cm dravite specimen.
Field Collected: Tom Mortimer
Catalog No.:
Notes:
Locality: Island Mine, Alstead, NH
Specimen Size: 4 cm specimen. Multiple terminated dravite crystals in muscovite.
Field Collected: Tom Mortimer
Catalog No.:
Notes:
Locality: Island Mine, Alstead, NH
Specimen Size: 5 cm terminated dravite crystal.
Field Collected: Tom Mortimer
Catalog No.: 790
Notes:
Locality: Island Mine, Alstead, NH
Specimen Size: 6 cm cluster of parallel terminated dravite crystals.
Field Collected: Tom Mortimer
Catalog No.:
Notes:
Locality: Stoney Mtn. Winchester, NH
Specimen Size: 6 cm plate of dravite crystals.
Field Collected: Tom Mortimer
Catalog No.: 1623
Notes: A visual identification. Examination under microscope reveals this tourmaline is a very dark, glassy, brown.