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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Damourite from
Dunton Gem Quarry, Newry, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Muscovite var: Damourite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Damourite data
Locality Data:Click here to view Dunton Gem Quarry, Newry, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:520343
Long-form Identifier:1:3:520343:7
GUID (UUID V4):0
Nearest other occurrences of Damourite
0.2km (0.1 miles) ⓘCrooker Gem Pegmatite Quarries, Newry, Oxford County, Maine, USA
7.1km (4.4 miles) ⓘRed Hill quarries, Rumford, Oxford County, Maine, USA
28.8km (17.9 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
29.6km (18.4 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
30.4km (18.9 miles) ⓘBemis Stream prospect, D Township, Franklin County, Maine, USA
45.3km (28.2 miles) ⓘMount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
61.1km (38.0 miles) ⓘGreenlaw Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
References
King, V. T., 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, ... Maine, Mineral News, v. 22(6): p. 1-3.
 
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