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Olmsteadite
Specimen ID:
6P2-7LA
Mineral(s)
Olmsteadite
:
KFe
2+
2
(Nb
5+
,Ta
5+
)(PO
4
)
2
O
2
·2H
2
O
Locality
Mindat locality:
Big Chief Mine, Glendale, Keystone Mining District, Pennington County, South Dakota, USA
Dimensions
0.4mm x 0.33mm
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Photos
Previous data
Mineral(s)
Olmsteadite
Acquisition date:
9th Jan 2018
Name withheld
Events
Photo added to mindat.org
“
Very small crystal fragment of olmsteadite with interesting internal fractures. Analyzed via Tin Can Hill Minerals. Fragment is about 0.4 mm across and is mounted in a plastic capsule.
”
Zach Berghorst
- 11th January 2018
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