Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Chalcocite from
Kawazu mine (Rendaiji mine; Rendaizi mine), Rendaiji, Shimoda City, Shizuoka Prefecture, Japan


07264230017621697777381.jpg
Chalcocite, etc.

Kawazu mine, Rendaiji, Shimoda City, Shizuoka Prefecture, Japan
06625810017621697769610.jpg
Chalcocite, etc.

Kawazu mine, Rendaiji, Shimoda City, Shizuoka Prefecture, Japan
07264230017621697777381.jpg
Chalcocite, etc.

Kawazu mine, Rendaiji, Shimoda City, Shizuoka Prefecture, Japan
06625810017621697769610.jpg
Chalcocite, etc.

Kawazu mine, Rendaiji, Shimoda City, Shizuoka Prefecture, Japan
07264230017621697777381.jpg
Chalcocite, etc.

Kawazu mine, Rendaiji, Shimoda City, Shizuoka Prefecture, Japan
06625810017621697769610.jpg
Chalcocite, etc.

Kawazu mine, Rendaiji, Shimoda City, Shizuoka Prefecture, Japan
Locality type:Mine
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz13
Covellite13
Stannoidite11
Hemusite7
Pyrite7
Tetradymite5
Chalcopyrite3
Bornite2
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view Kawazu mine (Rendaiji mine; Rendaizi mine), Rendaiji, Shimoda City, Shizuoka Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:58552
Long-form Identifier:1:3:58552:9
GUID (UUID V4):0
References
Sadanaga, Ryoichi, Bunno, Michiaki (1974) The Wakabayashi Mineral Collection. Bulletin 7. The University Museum, The University of Tokyo
 
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