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


03846500017373064643919.jpg
Calcite, etc.

Cape Rosier Mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
03846500017373064643919.jpg
Calcite, etc.

Cape Rosier Mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
08588210017272033992418.jpg
Calcite, etc.

Cape Rosier Mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Hydrozincite3
Chalcopyrite3
Pyrite3
Bornite2
Data
Mineral Data:Click here to view Calcite 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:31382
Long-form Identifier:1:3:31382:5
GUID (UUID V4):0
Nearest other occurrences of Calcite
15.3km (9.5 miles) ⓘDouglass Copper Mine, Blue Hill, Blue Hill - Castine Mining District, Hancock County, Maine, USA
15.9km (9.9 miles) ⓘDeer Isle Mine, Deer Isle, Hancock County, Maine, USA
38.0km (23.6 miles) ⓘRockland-Thomaston "Limestone" quarries, Rockland, Knox County, Maine, USA
38.2km (23.7 miles) ⓘNellie Ulmer Marble Quarry, Thomaston, Knox County, Maine, USA
39.7km (24.6 miles) ⓘOld County Road locality, Thomaston, Knox County, Maine, USA
40.6km (25.2 miles) ⓘDragon Cement Quarry, Thomaston, Knox County, Maine, USA
45.8km (28.5 miles) ⓘStarrett Quarries, Warren, Knox County, Maine, USA
47.0km (29.2 miles) ⓘCopperopolis Mine, Hancock, Hancock County, Maine, USA
48.0km (29.8 miles) ⓘBangor Quarry, Bangor, Penobscot County, Maine, USA
49.3km (30.6 miles) ⓘSullivan Silver mines, Sullivan Mining District, Sullivan, Hancock 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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