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Coalingite from
Fort Point, San Francisco, San Francisco County, California, USA


Locality type:Point
Classification
Species:Coalingite
Formula:Mg10Fe23+(OH)24[CO3] · 2H2O
Comments:Occurs as veinlets 1 to 2 mm thick in serpentine that is largely altered to pyroaurite.
Colour:Golden-brown
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Pyroaurite
Serpentine Subgroup
Data
Mineral Data:Click here to view Coalingite data
Locality Data:Click here to view Fort Point, San Francisco, San Francisco County, California, USA
Data Identifiers
Mindat Occurrence Record ID:686094
Long-form Identifier:1:3:686094:3
GUID (UUID V4):0
References
Learned, E. (1965) Sjogrenite confirmed from California. Gems and Minerals: 332: 54
Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.: 59, 62
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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