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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Aenigmatite from
Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA


06077630017339888287625.jpg
Aenigmatite, etc.

Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
00679510017272016635106.jpg
Aenigmatite

Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
02437560017272016611248.jpg
Aenigmatite, etc.

Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
07460600017362718943745.jpg
Aenigmatite, etc.

Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
06878140017362718956225.jpg
Aenigmatite, etc.

Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
00679510017272016635106.jpg
Aenigmatite

Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
02437560017272016611248.jpg
Aenigmatite, etc.

Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
07460600017362718943745.jpg
Aenigmatite, etc.

Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
06077630017339888287625.jpg
Aenigmatite, etc.

Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
00679510017272016635106.jpg
Aenigmatite

Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
02437560017272016611248.jpg
Aenigmatite, etc.

Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
01484640017362718965757.jpg
Aenigmatite, etc.

Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
Locality type:Pass
Classification
Species:Aenigmatite
Formula:Na4[Fe102+Ti2]O4[Si12O36]
Comments:Occurs in the satellite dikes derived from the Golden Horn Granite
Habit:tiny grains
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz3
Microcline2
Data
Mineral Data:Click here to view Aenigmatite data
Locality Data:Click here to view Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:46405
Long-form Identifier:1:3:46405:9
GUID (UUID V4):0
References
Micro Probe Volume VI Number 8
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.p.1975 - 37
 
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