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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Aegirine from
Ellenham Mtn area, Nighthawk Mining District, Okanogan County, Washington, USA


Locality type:Area
Classification
Species:Aegirine
Formula:NaFe3+Si2O6
Comments:embedded in malignite
Habit:small crystals
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Hastingsite
Melanite
Data
Mineral Data:Click here to view Aegirine data
Locality Data:Click here to view Ellenham Mtn area, Nighthawk Mining District, Okanogan County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:102733
Long-form Identifier:1:3:102733:4
GUID (UUID V4):0
Nearest other occurrences of Aegirine
7.5km (4.7 miles) ⓘKruger Mountain, Oroville Mining District, Okanogan County, Washington, USA
References
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.
 
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