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| Description | |
|---|---|
| Comments: | Occurs as incrustations and nodules during early summer months in the upper part of Geyser Creek Canyon. |
| Habit: | As incrustations and nodules (some with a coarse fibrous interior) |
| Quality of samples: | not specified / average specimens |
| Rarity at site: | Common |
| Confirmation | |
| Validity: | Believed Valid |
| References | |
| References: | Palache et al (1951), Dana's System of Mineralogy, seventh ed., vol. II: 399; Vonsen, Magnus (1941) Preliminary report on minerals of The Geysers of Sonoma County, California. Mineralogist: 9: 246, 279; Vonsen, Magnus (1946), Minerals at “The Geysers,” Sonoma County, California: California Division Mines Report 42: 288; Smith, Robert Leland (1958), Some new occurrences of sassolite in the United States: American Mineralogist: 43: 1205; Dunning, Gail E. and J.F. Cooper (1969a) Letovicite from The Geysers, Sonoma County, California. California Division Mines and Geology Mineral Information Service: 22: 135; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 239; Dunning, G. S. & Cooper, J. F. (1993): History and minerals of The Geysers Sonoma County, California. Mineralogical Record: 24(5): 339-352 |
| Associated minerals: | |
| Associates: | Boussingaultite Letovicite Sassolite Tschermigite |
| Data | |
| Mineral Data: | Click here to view Mascagnite data |
| Locality Data: | Click here to view The Geysers, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA |
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