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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Tetrataenite from
Josephine Creek placers, Josephine Creek Mining District, Josephine County, Oregon, USA


03957050017271926972725.jpg
Tetrataenite, etc.

Josephine Creek placers, Josephine Creek Mining District, Josephine County, Oregon, USA
00251520017367290156343.jpg
Tetrataenite, etc.

Josephine Creek placers, Josephine Creek Mining District, Josephine County, Oregon, USA
04913630017367290146280.jpg
Tetrataenite, etc.

Josephine Creek placers, Josephine Creek Mining District, Josephine County, Oregon, USA
03957050017271926972725.jpg
Tetrataenite, etc.

Josephine Creek placers, Josephine Creek Mining District, Josephine County, Oregon, USA
00251520017367290156343.jpg
Tetrataenite, etc.

Josephine Creek placers, Josephine Creek Mining District, Josephine County, Oregon, USA
04913630017367290146280.jpg
Tetrataenite, etc.

Josephine Creek placers, Josephine Creek Mining District, Josephine County, Oregon, USA
03957050017271926972725.jpg
Tetrataenite, etc.

Josephine Creek placers, Josephine Creek Mining District, Josephine County, Oregon, USA
00251520017367290156343.jpg
Tetrataenite, etc.

Josephine Creek placers, Josephine Creek Mining District, Josephine County, Oregon, USA
04913630017367290146280.jpg
Tetrataenite, etc.

Josephine Creek placers, Josephine Creek Mining District, Josephine County, Oregon, USA
Locality type:Placer
Classification
Species:Tetrataenite
Formula:FeNi
Confirmation
Validity:Confirmed
Confirmation Methods:SEM-EDS
Associated Minerals Based on Photo Data:
Awaruite3
Andradite3
Pyrrhotite3
Native Silver3
Pentlandite3
Data
Mineral Data:Click here to view Tetrataenite data
Locality Data:Click here to view Josephine Creek placers, Josephine Creek Mining District, Josephine County, Oregon, USA
Data Identifiers
Mindat Occurrence Record ID:1106907
Long-form Identifier:1:3:1106907:2
GUID (UUID V4):0
References
Pavel M. Kartashov analytical data of 2017
 
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