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Actinolite from
Standby mine, Rochford Mining District, Pennington County, South Dakota, USA


Locality type:Mine
Classification
Species:Actinolite
Formula:◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Actinolite data
Locality Data:Click here to view Standby mine, Rochford Mining District, Pennington County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:384151
Long-form Identifier:1:3:384151:8
GUID (UUID V4):0
Nearest other occurrences of Actinolite
26.6km (16.5 miles) ⓘHomestake Mine, Lead, Lead Mining District, Lawrence County, South Dakota, USA
35.8km (22.2 miles) ⓘOld Marble quarry, The Needles, Custer State Park, Custer County, South Dakota, USA
35.9km (22.3 miles) ⓘHugo Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
References
Roberts, Willard Lincoln, Rapp, George Jr. (1965) Mineralogy of the Black Hills. Bulletin 18. South Dakota School of Mines and Technology
 
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