Halotrichite from
The Geysers, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA

Description
Comments:	Reportedly rich in Ni; occurs sparingly.
Colour:	yellowish white
Quality of samples:	not specified / average specimens
Rarity at site:	Rare
Confirmation
Validity:	Believed Valid
References
References:	Vonsen, Magnus (1946), Minerals at “The Geysers,” Sonoma County, California: California Division Mines Report 42: 290; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 264; 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 Halotrichite data
Locality Data:	Click here to view The Geysers, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA

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