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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Ludwigite from
Jumbo Mountain Nickel deposit, Jumbo Mountain, Darrington Mining District, Snohomish County, Washington, USA


Locality type:Deposit
Classification
Species:Ludwigite
Formula:Mg2Fe3+(BO3)O2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ludwigite data
Locality Data:Click here to view Jumbo Mountain Nickel deposit, Jumbo Mountain, Darrington Mining District, Snohomish County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:106604
Long-form Identifier:1:3:106604:3
GUID (UUID V4):0
References
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.
Aleksandrov, S. M. (2005). Genesis and Composition of Borate and Sulfide Mineralization in the Mount Jumbo Dunite, Snohomish County, Washington, United States. Geochemistry International, 43(3), 277-289.
 
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