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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Muscovite from
Catherine Mountain Molybdenite prospect, Catherine Mountain, T10 SD, Hancock County, Maine, USA


Locality type:Prospect
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Catherine Mountain Molybdenite prospect, Catherine Mountain, T10 SD, Hancock County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:31736
Long-form Identifier:1:3:31736:2
GUID (UUID V4):0
Nearest other occurrences of Muscovite
14.9km (9.2 miles) ⓘGouldsborough Mine (Gouldsboro Mine), Gouldsboro, Hancock County, Maine, USA
15.8km (9.8 miles) ⓘSullivan & Waukeag Mine, Sullivan Silver mines, Sullivan Mining District, Sullivan, Hancock County, Maine, USA
16.2km (10.1 miles) ⓘSullivan Silver mines, Sullivan Mining District, Sullivan, Hancock County, Maine, USA
36.6km (22.8 miles) ⓘJoe's quarry, Mount Desert, Hancock County, Maine, USA
37.0km (23.0 miles) ⓘGrenci-Ellis Granite quarry, Mount Desert, Hancock County, Maine, USA
39.7km (24.7 miles) ⓘTownline and Route 172 Outcrops, Blue Hill, Blue Hill - Castine Mining District, Hancock County, Maine, USA
41.1km (25.6 miles) ⓘCurtis Cove Beach, East Blue Hill, Blue Hill - Castine Mining District, Hancock County, Maine, USA
46.4km (28.8 miles) ⓘGranger Mine, Blue Hill, Blue Hill - Castine Mining District, Hancock County, Maine, USA
48.2km (30.0 miles) ⓘTwin Lead Mine, Blue Hill, Blue Hill - Castine Mining District, Hancock County, Maine, USA
48.9km (30.4 miles) ⓘBlue Hill mine, Blue Hill, Blue Hill - Castine Mining District, Hancock County, Maine, USA
References
Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey
 
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