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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Arsenopyrite from
Cape Rosier Mine (Callahan Mine; Rosier Consolidated Mine), Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA


Locality type:Mine
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Cape Rosier Mine (Callahan Mine; Rosier Consolidated Mine), Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:31377
Long-form Identifier:1:3:31377:3
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
10.9km (6.8 miles) ⓘEggemoggin Silver mine, Sedgwick, Hancock County, Maine, USA
12.3km (7.6 miles) ⓘKellys Cove, Northport, Waldo County, Maine, USA
15.3km (9.5 miles) ⓘDouglass Copper Mine, Blue Hill, Blue Hill - Castine Mining District, Hancock County, Maine, USA
16.4km (10.2 miles) ⓘBlue Hill mine, Blue Hill, Blue Hill - Castine Mining District, Hancock County, Maine, USA
16.9km (10.5 miles) ⓘTwin Lead Mine, Blue Hill, Blue Hill - Castine Mining District, Hancock County, Maine, USA
49.3km (30.6 miles) ⓘSullivan Silver mines, Sullivan Mining District, Sullivan, Hancock County, Maine, USA
49.6km (30.8 miles) ⓘSullivan & Waukeag Mine, Sullivan Silver mines, Sullivan Mining District, Sullivan, Hancock County, Maine, USA
50.1km (31.1 miles) ⓘFranklin Extension Mine, Franklin, Hancock County, Maine, USA
53.6km (33.3 miles) ⓘCarmel Antimony Mine, Carmel, Penobscot County, Maine, USA
54.2km (33.7 miles) ⓘHarrington Mine, Carmel, Penobscot County, Maine, USA
References
King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
 
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