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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Hollingworthite from
Teshio gold-PGM placers, Kamikawa Subprefecture, Hokkaidō Prefecture, Japan


Locality type:Placer
Classification
Species:Hollingworthite
Formula:(Rh,Pt,Pd)AsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hollingworthite data
Locality Data:Click here to view Teshio gold-PGM placers, Kamikawa Subprefecture, Hokkaidō Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:522115
Long-form Identifier:1:3:522115:8
GUID (UUID V4):0
References
Urashima, Y., & Wakabayashi, T. (1972). Mineral compositions of placer platinum from Teshio in Hokkaido, Japan(Quantitative analysis and identification of chemical properties of minerals in Japanese placer platinoids). Kagoshima Daigaku Rika Hokoku,(Kagoshima), (21), 119-135.
Urashima et al (1982) Reports of the Faculty of Science, Kagoshima University, 31, 129-140.
 
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