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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Pyrite from
Hercules Mine, Penobscot, Hancock County, Maine, USA


Locality type:Mine
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Hercules Mine, Penobscot, Hancock County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:43247
Long-form Identifier:1:3:43247:6
GUID (UUID V4):0
Nearest other occurrences of Pyrite
0.8km (0.5 miles) ⓘJones Mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
1.7km (1.1 miles) ⓘLimeburner prospect (Lymburner Prospect), Penobscot, Hancock County, Maine, USA
1.9km (1.2 miles) ⓘHighland Mine, Penobscot, Hancock County, Maine, USA
2.7km (1.7 miles) ⓘNorth Castine mine, Castine, Blue Hill - Castine Mining District, Hancock County, Maine, USA
2.9km (1.8 miles) ⓘEmerson Mine, Castine, Blue Hill - Castine Mining District, Hancock County, Maine, USA
3.0km (1.9 miles) ⓘPerkins mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
6.8km (4.3 miles) ⓘTapley Mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
8.7km (5.4 miles) ⓘBlack Hawk Mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
10.0km (6.2 miles) ⓘCape Rosier Mine (Callahan Mine; Rosier Consolidated Mine), Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
10.1km (6.3 miles) ⓘOwen Mine, Blue Hill, Blue Hill - Castine Mining District, Hancock County, Maine, USA
References
Emmons, William H. (1910) Some ore deposits in Maine and the Milan mine, New Hampshire. Bulletin 432. US Geological Survey doi:10.3133/b432
 
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