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Alunite from
The Geysers, Sonoma Co., California, USA

Description
Comments:In 3-9 cm thick veins near Lemonade Springs where it appeared hard and porcelaneous with a smooth fracture, and nearby in veins with greater witdth- where it appeared soft and resembled white clay. (Dunning & Cooper 1993)
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:Dunning, G. S. & Cooper, J. F. (1993): History and minerals of The Geysers Sonoma County, California. Mineralogical Record 24 (5): 339-352
Data
Mineral Data:Click here to view Alunite data
Locality Data:Click here to view The Geysers, Sonoma Co., California, USA
Mineral and/or Locality
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