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Prehnite from
Mass Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA


Locality type:Mine
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Calcite3
Native Copper3
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Mass Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:94907
Long-form Identifier:1:3:94907:3
GUID (UUID V4):0
Nearest other occurrences of Prehnite
0.3km (0.2 miles) ⓘEvergreen Series (Evergreen Lodes), Ontonagon County, Michigan, USA
1.6km (1.0 miles) ⓘAdventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA
2.3km (1.4 miles) ⓘCaledonia Mine, Mass City, Ontonagon County, Michigan, USA
3.3km (2.0 miles) ⓘToltec Mine, Mass City, Ontonagon County, Michigan, USA
3.6km (2.2 miles) ⓘSouth Lake Mine (Aztec Mine), Mass City, Ontonagon County, Michigan, USA
4.0km (2.5 miles) ⓘOld Algomah Mine, Mass City, Ontonagon County, Michigan, USA
6.0km (3.7 miles) ⓘMichigan Mine, Rockland, Ontonagon County, Michigan, USA
7.1km (4.4 miles) ⓘMinesota Mine, Rockland, Ontonagon County, Michigan, USA
8.7km (5.4 miles) ⓘIndiana Mine, Winona, Greenland Township, Ontonagon County, Michigan, USA
9.2km (5.7 miles) ⓘWhat Cheer Mine, Winona, Greenland Township, Ontonagon County, Michigan, USA
References
Rosemeyer, T. (1990) Through the Scope: Microminerals of the Caledonia Mine Ontonagon County, Michigan. Rocks & Minerals: 65(3): 240.
Morris, Tom (1983) Michigan Mineralogy. A locality Index. Rocks & Minerals, 58 (3). 107-113 doi:10.1080/00357529.1983.11767128p.112
 
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