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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Steacyite from
Narssârssuk pegmatite, Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland


06524330017369155836740.jpg
Steacyite, etc.

Narssârssuk pegmatite, Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland
05312960017369155817551.jpg
Steacyite, etc.

Narssârssuk pegmatite, Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland
04103180017272001345706.jpg
Steacyite, etc.

Narssârssuk pegmatite, Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland
05312960017369155817551.jpg
Steacyite, etc.

Narssârssuk pegmatite, Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland
04103180017272001345706.jpg
Steacyite, etc.

Narssârssuk pegmatite, Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland
05312960017369155817551.jpg
Steacyite, etc.

Narssârssuk pegmatite, Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland
Locality type:Pegmatite
Classification
Species:Steacyite
Formula:K0.3(Na,Ca)2ThSi8O20
Comments:Found and identified in 2000/2001
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Associated Minerals Based on Photo Data:
Turkestanite2
Data
Mineral Data:Click here to view Steacyite data
Locality Data:Click here to view Narssârssuk pegmatite, Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:423392
Long-form Identifier:1:3:423392:3
GUID (UUID V4):0
References
(n.d.) Knut Eldjarn collection. XRD Geological museum, Oslo+ chemical (ICP)
 
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