Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Verdelite from
Black Mountain Quarry, Rumford, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Tourmaline var: Verdelite
Comments:Crystals of any quality are only rarely found. Most material is only of "representative" quality.
Quality for species:Poor for species, only of interest for locality collectors. (#)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Verdelite data
Locality Data:Click here to view Black Mountain Quarry, Rumford, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:407667
Long-form Identifier:1:3:407667:4
GUID (UUID V4):0
Nearest other occurrences of Verdelite
7.6km (4.7 miles) ⓘCrooker Gem Pegmatite Quarries, Newry, Oxford County, Maine, USA
7.7km (4.8 miles) ⓘDunton Gem Quarry, Newry, Oxford County, Maine, USA
42.2km (26.2 miles) ⓘStreaked Mountain, Hebron, Oxford County, Maine, USA
44.1km (27.4 miles) ⓘMount Marie Quarries, Paris, Oxford County, Maine, USA
46.2km (28.7 miles) ⓘMount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
61.4km (38.2 miles) ⓘGroves Quarry (Hole in the Ground Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
61.4km (38.2 miles) ⓘWade Quarry (Androscoggin Tourmaline prospect), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
61.5km (38.2 miles) ⓘPulsifer Quarry & Dionne extension, West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
61.6km (38.3 miles) ⓘKeith Quarry (Towne Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
62.0km (38.6 miles) ⓘGreenlaw Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
References
A. Plante, personal knowledge.
Bastin, E. S. (1911) Geology of the pegmatites and associated rocks of Maine, including feldspar, quartz, mica, and gem deposits. Bulletin 445. US Geological Survey doi:10.3133/b445
 
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