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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Hydromagnesite from
Red Mountain Mine, Red Mountain, Black Wonder Mining District, Stanislaus County, California, USA


07068640017363778405007.jpg
Hydromagnesite

Red Mountain Mine, Red Mountain, Black Wonder Mining District, Stanislaus County, California, USA
04229160017363778411417.jpg
Hydromagnesite

Red Mountain Mine, Red Mountain, Black Wonder Mining District, Stanislaus County, California, USA
05255710017272054477605.jpg
Hydromagnesite

Red Mountain Mine, Red Mountain, Black Wonder Mining District, Stanislaus County, California, USA
04147620017272054485304.jpg
Hydromagnesite

Red Mountain Mine, Red Mountain, Black Wonder Mining District, Stanislaus County, California, USA
05255710017272054477605.jpg
Hydromagnesite

Red Mountain Mine, Red Mountain, Black Wonder Mining District, Stanislaus County, California, USA
04147620017272054485304.jpg
Hydromagnesite

Red Mountain Mine, Red Mountain, Black Wonder Mining District, Stanislaus County, California, USA
Locality type:Mine
Classification
Species:Hydromagnesite
Formula:Mg5(CO3)4(OH)2 · 4H2O
Comments:Occurs in considerable quantities.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hydromagnesite data
Locality Data:Click here to view Red Mountain Mine, Red Mountain, Black Wonder Mining District, Stanislaus County, California, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:646647
Long-form Identifier:1:3:646647:3
GUID (UUID V4):0
Nearest other occurrences of Hydromagnesite
3.9km (2.5 miles) ⓘPlatner prospect, Red Mountain, Black Wonder Mining District, Stanislaus County, California, USA
4.1km (2.6 miles) ⓘAdobe Creek (Adobe Canyon), Black Wonder Mining District, Stanislaus County, California, USA
11.7km (7.3 miles) ⓘPromberger property (Pramberger), Copper Mountain, Black Wonder Mining District, Stanislaus County, California, USA
19.6km (12.2 miles) ⓘSugarloaf Butte, Cedar Mountain Mining District, Alameda County, California, USA
19.9km (12.3 miles) ⓘDevils Hole occurrence, Sugarloaf Butte, Cedar Mountain Mining District, Alameda County, California, USA
23.3km (14.5 miles) ⓘDel Puerto Canyon (Arroyo del Puerto), Copper Mountain, Black Wonder Mining District, Stanislaus County, California, USA
33.1km (20.6 miles) ⓘAlum Rock Canyon, East Foothills, Black Wonder Mining District, Santa Clara County, California, USA
57.9km (35.9 miles) ⓘLa Vista Quarry, Hayward, Alameda County, California, USA
99.9km (62.1 miles) ⓘMarshall Beach, Fort Point, San Francisco, San Francisco County, California, USA
References
 
and/or  
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