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Prehnite from
Seneca No. 1 Shaft, Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA


07341930015986922059509.jpg
Prehnite, etc.

Seneca No. 1 Shaft, Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
08001730015986922067314.jpg
Prehnite, etc.

Seneca No. 1 Shaft, Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
02585790015986922066210.jpg
Prehnite, etc.

Seneca No. 1 Shaft, Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
00816160015985788492214.jpg
Prehnite, etc.

Seneca No. 1 Shaft, Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
08001730015986922067314.jpg
Prehnite, etc.

Seneca No. 1 Shaft, Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
02585790015986922066210.jpg
Prehnite, etc.

Seneca No. 1 Shaft, Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
02136810015986922076690.jpg
Prehnite, etc.

Seneca No. 1 Shaft, Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
08001730015986922067314.jpg
Prehnite, etc.

Seneca No. 1 Shaft, Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
02585790015986922066210.jpg
Prehnite, etc.

Seneca No. 1 Shaft, Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
Locality type:Shaft
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Copperβ“˜6 photos of Prehnite associated with Copper at this locality.
Silverβ“˜1 photo of Prehnite associated with Silver at this locality.
Quartzβ“˜1 photo of Prehnite associated with Quartz at this locality.
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Seneca No. 1 Shaft, Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:121524
Long-form Identifier:1:3:121524:3
GUID (UUID V4):c254056d-1384-43f3-a902-77ef5c6e0d4e
Nearest other occurrences of Prehnite
0.6km (0.4 miles) β“˜Mohawk Mine, Mohawk, Allouez Township, Keweenaw County, Michigan, USA
1.3km (0.8 miles) β“˜Seneca No. 2 shaft (Gratiot Mine), Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
1.4km (0.9 miles) β“˜Iroquois Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
2.3km (1.4 miles) β“˜Mass Fissure, Ahmeek Mine, Ahmeek, Allouez Township, Keweenaw County, Michigan, USA
2.3km (1.5 miles) β“˜Ahmeek Mine, Ahmeek, Allouez Township, Keweenaw County, Michigan, USA
2.5km (1.6 miles) β“˜Old Seneca Mine (Seneca No. 4 Shaft), Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
3.1km (2.0 miles) β“˜Arsenide Fissure, Ahmeek Mine, Ahmeek, Allouez Township, Keweenaw County, Michigan, USA
3.6km (2.2 miles) β“˜Allouez No. 3 Mine, Allouez Mine, Allouez, Allouez Township, Keweenaw County, Michigan, USA
4.7km (2.9 miles) β“˜Ojibway Mine, Ojibway, Allouez Township, Keweenaw County, Michigan, USA
5.0km (3.1 miles) β“˜Manhattan Exploration Prospect, Ojibway, Allouez Township, Keweenaw County, Michigan, USA
References
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
 
Mineral and/or Locality  
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