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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Amethyst from
Tamminen Quarry, Greenwood, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Quartz var: Amethyst
Formula:SiO2
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Amethyst data
Locality Data:Click here to view Tamminen Quarry, Greenwood, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28432
Long-form Identifier:1:3:28432:9
GUID (UUID V4):0
Nearest other occurrences of Amethyst
13.4km (8.3 miles) ⓘOliver Stone Farm Amethyst locality, Waterford, Oxford County, Maine, USA
13.6km (8.4 miles) ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA
15.9km (9.9 miles) ⓘBurnell Hill Feldspar Quarries, Waterford, Oxford County, Maine, USA
16.6km (10.3 miles) ⓘFoster Hill prospects, Stoneham, Oxford County, Maine, USA
16.8km (10.4 miles) ⓘKezar River Falls Gorge, Lovell, Oxford County, Maine, USA
20.5km (12.8 miles) ⓘSaltman amethyst locality, Sweden, Oxford County, Maine, USA
24.0km (14.9 miles) ⓘRagged Ass Jack Mountain locality (Ragged Jack Mountain locality), Hartford, Oxford County, Maine, USA
25.9km (16.1 miles) ⓘLadies Delight Hill Amethyst locality, Lovell, Oxford County, Maine, USA
28.1km (17.4 miles) ⓘIntergalactic Pit, Deer Hill, Stow, Oxford County, Maine, USA
28.1km (17.5 miles) ⓘEastman Quarry, Deer Hill, Stow, Oxford County, Maine, USA
References
Mineral News (1993) 9:2 p. 8
 
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