Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Native Silver from
National Mine, Rockland, Ontonagon County, Michigan, USA


05990480017370135185353.jpg
Native Silver, etc.

National Mine, Rockland, Ontonagon County, Michigan, USA
07972010017370135182190.jpg
Native Silver, etc.

National Mine, Rockland, Ontonagon County, Michigan, USA
08660490017363616404772.jpg
Native Silver, etc.

National Mine, Rockland, Ontonagon County, Michigan, USA
03111790017272041794135.jpg
Native Silver, etc.

National Mine, Rockland, Ontonagon County, Michigan, USA
07511070017370135194477.jpg
Native Silver, etc.

National Mine, Rockland, Ontonagon County, Michigan, USA
03111790017272041794135.jpg
Native Silver, etc.

National Mine, Rockland, Ontonagon County, Michigan, USA
Locality type:Mine
Classification
Species:Native Silver
Formula:Ag
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Native Copper4
Quartz1
Data
Mineral Data:Click here to view Native Silver data
Locality Data:Click here to view National Mine, Rockland, Ontonagon County, Michigan, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:100749
Long-form Identifier:1:3:100749:7
GUID (UUID V4):0
Nearest other occurrences of Native Silver
0.3km (0.2 miles) ⓘMinesota Mine, Rockland, Ontonagon County, Michigan, USA
1.2km (0.8 miles) ⓘRockland Mine, Rockland, Ontonagon County, Michigan, USA
1.6km (1.0 miles) ⓘMichigan Mine, Rockland, Ontonagon County, Michigan, USA
2.8km (1.7 miles) ⓘLake Superior Mine, Ontonagon County, Michigan, USA
3.9km (2.4 miles) ⓘFlintsteel River Mine, Ontonagon County, Michigan, USA
5.0km (3.1 miles) ⓘNebraska Mine, Mass City, Ontonagon County, Michigan, USA
5.1km (3.2 miles) ⓘCaledonia Mine, Mass City, Ontonagon County, Michigan, USA
6.0km (3.7 miles) ⓘOld Mass Mine, Mass City, Ontonagon County, Michigan, USA
7.1km (4.4 miles) ⓘEvergreen Series (Evergreen Lodes), Ontonagon County, Michigan, USA
7.1km (4.4 miles) ⓘEvergreen Bluff Mine, Mass City, Ontonagon County, Michigan, USA
References
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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