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Gypsum from Seal Rock, San Francisco, California

 
Gypsum from Seal Rock, San Francisco, California

Gypsum from Seal Rock, San Francisco, California

Gypsum from Seal Rock, San Francisco, California

DESCRIPTION:No. 34520
Mineral:Gypsum
Locality:Seal Rock, San Francisco, California
Description:Flattened disc-shaped crystal aggregate of gypsum crystals. The gypsum has sand inclusions except at the terminations where there is a small translucent zone. This is from an old location near San Francisco. Ex. John A. Manley (1861-1936) ca. 1890s
Overall Size:5.5x5x1 cm
Crystals:4-5 mm
Status: Sold - Posted here for reference only
Buy similar: Minerals from Western States, USA > Barite & other Sulfate Minerals

 

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  John Betts - Fine Minerals gallery of Barite & other Sulfate Minerals

 

 

 

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The minerals illustrated on this site are presented for reference purposes only. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this museum. Please contact the property owner to obtain legal permission before entering private property. ;