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Hornblende from
Cartwright Calcite Deposit (Cartwright Crystal Spar Group), Sweet Grass County, Montana, USA


Locality type:Deposit
Classification
Species:Calcium Amphibole Subgroup var: Hornblende
Formula:AnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hornblende data
Locality Data:Click here to view Cartwright Calcite Deposit (Cartwright Crystal Spar Group), Sweet Grass County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:1647713
Long-form Identifier:1:3:1647713:3
GUID (UUID V4):0
References
(1958) Optical calcite deposits in Park and Sweet Grass Counties, Montana. Bulletin 1042m. US Geological Survey doi:10.3133/b1042m p.448
 
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