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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Delessite from
J. J. Williams farm, Floyd County, Virginia, USA


Locality type:Farm
Classification
Species:Chlorite Group var: Delessite
Formula:(Mg,Fe,Fe,Al)(Si,Al)4O10(O,OH)8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Delessite data
Locality Data:Click here to view J. J. Williams farm, Floyd County, Virginia, USA
Data Identifiers
Mindat Occurrence Record ID:367241
Long-form Identifier:1:3:367241:9
GUID (UUID V4):0
References
Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey.
 
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