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


01359050017368565483877.jpg
Hemimorphite

Cape Rosier Mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
01359050017368565483877.jpg
Hemimorphite

Cape Rosier Mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
02373350017272735764194.jpg
Hemimorphite

Cape Rosier Mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
Locality type:Mine
Classification
Species:Hemimorphite
Formula:Zn4Si2O7(OH)2 · H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hemimorphite 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:31402
Long-form Identifier:1:3:31402:8
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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