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Phlogopite from
Red Boulder No. 1 prospect (Unnamed REE-U-Th occurrence [1]), One Hole Spring, Bighorn Mountains, San Bernardino Co., California, USA

Locality type:Prospect
Classification
Species:Phlogopite
Formula:KMg3(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
References
References:Hewett, Donnel Foster, Stone, J., and Levine, H. (1957) Brannerite from San Bernardino County, California. American Mineralogist: 42: 30-38.
Data
Mineral Data:Click here to view Phlogopite data
Locality Data:Click here to view Red Boulder No. 1 prospect (Unnamed REE-U-Th occurrence [1]), One Hole Spring, Bighorn Mountains, San Bernardino Co., California, USA
Nearest other occurrences of Phlogopite
38.5km (23.9 miles) Unnamed Piemontite occurrence [1] (San Gorgonio Pass), Whitewater (White Water), San Bernardino Mountains, Riverside Co., California, USA
72.2km (44.9 miles) Dish Hill Crater (Dish Hill; Siberia Hill; Siberia Hill Crater), Trojan, San Bernardino Co., California, USA
75.2km (46.7 miles) Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Riverside Co., California, USA
75.4km (46.9 miles) Wet Weather Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Riverside Co., California, USA
76.2km (47.4 miles) Henshaw Quarry, Bloomington, San Bernardino Co., California, USA
79.0km (49.1 miles) Jensen Quarry (Oak Quarry), Jurupa Mountains, Jurupa Valley, Riverside Co., California, USA
83.4km (51.8 miles) Glen Avon Quarry (Glen Avon Limestone deposit; Mathews), Glen Avon, Riverside Co., California, USA
93.2km (57.9 miles) Cascade Canyon, San Gabriel Mountains, San Bernardino Co., California, USA
 
Mineral and/or Locality  
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