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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Bismuthinite from
Standpipe Hill Quarries, Topsham, Sagadahoc County, Maine, USA


08185310017272013758165.jpg
Bismuthinite, etc.

Standpipe Hill Quarries, Topsham, Sagadahoc County, Maine, USA
03397470017369528782305.jpg
Bismuthinite, etc.

Standpipe Hill Quarries, Topsham, Sagadahoc County, Maine, USA
08185310017272013758165.jpg
Bismuthinite, etc.

Standpipe Hill Quarries, Topsham, Sagadahoc County, Maine, USA
04377390017367553001696.jpg
Bismuthinite, etc.

Standpipe Hill Quarries, Topsham, Sagadahoc County, Maine, USA
08185310017272013758165.jpg
Bismuthinite, etc.

Standpipe Hill Quarries, Topsham, Sagadahoc County, Maine, USA
03397470017369528782305.jpg
Bismuthinite, etc.

Standpipe Hill Quarries, Topsham, Sagadahoc County, Maine, USA
Locality type:Quarry
Classification
Species:Bismuthinite
Formula:Bi2S3
Comments:Crystal 45 x ~2 cm long in granite pegmatite. Specimen broken up as collectors were unaware of its significant size.
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Bismutite2
Data
Mineral Data:Click here to view Bismuthinite data
Locality Data:Click here to view Standpipe Hill Quarries, Topsham, Sagadahoc County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:29706
Long-form Identifier:1:3:29706:8
GUID (UUID V4):0
Nearest other occurrences of Bismuthinite
0.4km (0.2 miles) ⓘRussell Brothers Quarry, Topsham, Sagadahoc County, Maine, USA
4.7km (3.0 miles) ⓘFisher Quarry, Topsham, Sagadahoc County, Maine, USA
72.6km (45.1 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
75.6km (47.0 miles) ⓘSabbatus Mountain prospects, Lovell, Oxford County, Maine, USA
80.0km (49.7 miles) ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA
84.9km (52.7 miles) ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
91.2km (56.7 miles) ⓘNevel Quarry, Newry, Oxford County, Maine, USA
References
Morril et al., 1958, Maine Mines and Minerals, Western Maine.
King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
 
and/or  
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