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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Pyrolusite from
Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA


08153330017272015435321.jpg
Pyrolusite

Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
04354950017272013901038.jpg
Pyrolusite, etc.

Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
06614640017367686357820.jpg
Pyrolusite

Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
08153330017272015435321.jpg
Pyrolusite

Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
04164860017367686367466.jpg
Pyrolusite, etc.

Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
06614640017367686357820.jpg
Pyrolusite

Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
08153330017272015435321.jpg
Pyrolusite

Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
09395780017367686367955.jpg
Pyrolusite, etc.

Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
06614640017367686357820.jpg
Pyrolusite

Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
Locality type:Drift
Classification
Species:Pyrolusite
Formula:Mn4+O2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Markcooperite1
Data
Mineral Data:Click here to view Pyrolusite data
Locality Data:Click here to view Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:768108
Long-form Identifier:1:3:768108:0
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
0.2km (0.1 miles) ⓘOtto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA
37.2km (23.1 miles) ⓘBlack Stone deposit (Black Stone Manganese deposit), Afton, San Bernardino County, California, USA
49.2km (30.5 miles) ⓘMohawk Mine, Mohawk Hill, Clark Mountain District (Clark District), Clark Mts (Clark Mountain Range), San Bernardino County, California, USA
54.1km (33.6 miles) ⓘLogan Mine (Trans-Oceanic Mine; Treasure Mine), Cady Peak, San Bernardino County, California, USA
56.7km (35.2 miles) ⓘBig Reef Mines, Lavic, San Bernardino County, California, USA
58.5km (36.4 miles) ⓘLee Yim Mine (Lee Yim deposit; Gallinger-Root Mine; Manganese 1-10 claims; Root Mine; Garringer Mine; Barringer Mine; Lavic Mountain Mine), Ludlow (Stagg), San Bernardino County, California, USA
65.8km (40.9 miles) ⓘNew Deal Mine (Emma Mine; Enna Mine; Owl Hole Mine; Owl's Head Mine), Black Magic Mines (Emma deposit; Ruby J. Mine), Owl Hole Springs, Owlshead Mountains, San Bernardino County, California, USA
68.6km (42.6 miles) ⓘBlack Magic Mines (Emma deposit; Ruby J. Mine), Owl Hole Springs, Owlshead Mountains, San Bernardino County, California, USA
84.5km (52.5 miles) ⓘCalico District (Daggett District; Calico-Daggett area), Calico Mts (Calico Hills), San Bernardino County, California, USA
90.5km (56.2 miles) ⓘIron Hat deposit (Iron Hat Iron deposit; Iron Hat Mine; Armstrong and Doran; Ironclad deposit; Iron-Clad deposit), Cadiz, Marble Mountains, San Bernardino County, California, USA
References
Thorne, Brent (n.d.) Personal communcation.
 
and/or  
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