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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Microcline from
Ivigtut Mine, Ivigtut stock, Arsuk Fjord, Sermersooq, Greenland


03461150017369674272945.jpg
Microcline, etc.

Ivigtut Mine, Ivigtut stock, Arsuk Fjord, Sermersooq, Greenland
03461150017369674272945.jpg
Microcline, etc.

Ivigtut Mine, Ivigtut stock, Arsuk Fjord, Sermersooq, Greenland
07430970017364587425847.jpg
Microcline, etc.

Ivigtut Mine, Ivigtut stock, Arsuk Fjord, Sermersooq, Greenland
Locality type:Mine
Classification
Species:Microcline
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Cryolite1
Quartz1
Siderite1
Data
Mineral Data:Click here to view Microcline data
Locality Data:Click here to view Ivigtut Mine, Ivigtut stock, Arsuk Fjord, Sermersooq, Greenland
Data Identifiers
Mindat Occurrence Record ID:12977
Long-form Identifier:1:3:12977:6
GUID (UUID V4):0
References
Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.
Petersen, Ole V., Secher, Karsten (1993) The Minerals of Greenland. The Mineralogical Record, 24 (2) 1-67
 
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