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


Locality type:Mine
Classification
Species:Aragonite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Aragonite 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:31376
Long-form Identifier:1:3:31376:4
GUID (UUID V4):0
References
King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
 
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