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Colemanite from
Kramer Borate deposit, Boron, Kern County, California, USA


06092210017271922301873.jpg
Colemanite, etc.

Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
03348260017272010994604.jpg
Colemanite

Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
03452240017272011064621.jpg
Colemanite, etc.

Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
05522430017272011075981.jpg
Colemanite

Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
09249530017271922193871.jpg
Colemanite, etc.

Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
00990250017271922235452.jpg
Colemanite

Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
03452240017272011064621.jpg
Colemanite, etc.

Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
05522430017272011075981.jpg
Colemanite

Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
06092210017271922301873.jpg
Colemanite, etc.

Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
06745840017272011042520.jpg
Colemanite

Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
03452240017272011064621.jpg
Colemanite, etc.

Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
05522430017272011075981.jpg
Colemanite

Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
Locality type:Deposit
Classification
Species:Colemanite
Formula:Ca[B3O4(OH)3] · H2O
Comments:Occurs as:

1. Nodules and geodes in a clay envelope surrounding the Na borate beds.

2. Aa an alteration of ulexite beds.

3. Fine crystal specimens in fracture zones of massive material. Individual crystals from microscopic to 5 cm.
Colour:Colourless to brown or nearly black
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Baryte
Berthierite
Birnessite
Howlite
Melnikovite
Associated Minerals Based on Photo Data:
Calcite156
Pararealgar19
Ulexite16
Orpiment7
Hydroboracite4
Realgar4
Analcime2
Stibnite2
Baryte1
Claystone1
Data
Mineral Data:Click here to view Colemanite data
Locality Data:Click here to view Kramer Borate deposit, Boron, Kern County, California, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:327674
Long-form Identifier:1:3:327674:7
GUID (UUID V4):0
Localities for Colemanite in this Region
Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
Nearest other occurrences of Colemanite
0.8km (0.5 miles) ⓘRio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USA
29.1km (18.1 miles) ⓘSunray Mid-Continent Oil Company Colemanite deposit, Red Buttes, East Kramer Borate area (East Kramer Colemanite area), East Kramer Mining District, San Bernardino County, California, USA
33.1km (20.6 miles) ⓘRho A, Red Buttes, East Kramer Borate area (East Kramer Colemanite area), East Kramer Mining District, San Bernardino County, California, USA
61.8km (38.4 miles) ⓘRho B, Phelan, East Kramer Borate area (East Kramer Colemanite area), East Kramer Mining District, San Bernardino County, California, USA
78.8km (49.0 miles) ⓘColumbus Mine (Gem Borate Mine; Gem Mine), Daggett Ridge, Belleville Mining District, San Bernardino County, California, USA
79.9km (49.7 miles) ⓘPacific Mine (Pacific Coast Borax Company properties; Borate; Borate Colemanite Mines; Calico; Old Borate; Pacific Coast Borax Co. workings), Calico, Calico District (Daggett District; Calico-Daggett area), Calico Mts (Calico Hills), San Bernardino County, California, USA
80.2km (49.8 miles) ⓘCentennial Mine [1], Yermo (Marian; Marion; Otis), Calico District (Daggett District; Calico-Daggett area), Calico Mts (Calico Hills), San Bernardino County, California, USA
84.8km (52.7 miles) ⓘTrona Mine (American Potash and Chemical Corporation), Trona, Argus District, Argus Range (Argus Mountains; Darwin Range; Tortoise Mountains), San Bernardino County, California, USA
87.8km (54.5 miles) ⓘLang Mine, Tick Canyon Borate deposit, Tick Canyon, Lang, Los Angeles County, California, USA
92.5km (57.5 miles) ⓘLang, Los Angeles County, California, USA
References
Yale, Charles G. & Hoyt S. Gale (1913), Borax: Mineral Resources of the United States, 1912, part 2
Noble, Levi Fatzinger (1926a), Borate deposits in the Kramer district, Kern County, California: USGS Bulletin 785-C: 47
Schaller, Waldemar T. (1927) Kernite, a new sodium borate. American Mineralogist, 12 (1) 24-25
Schaller, Waldemar Theodore (1930), Borate minerals from the Kramer district, Mohave Desert, California: USGS PP 158-I: 138
Christ, C. L., Garrels, R. M. (1959) Relations among sodium borate hydrates at the Kramer deposit, Boron, California. American Journal of Science, 257 (7) 516-528 doi:10.2475/ajs.257.7.516
Pemberton, H. Earl, Wm. Moller, Jack Schwartz & George Masimer (1960), The minerals of Boron, California, 40 pp. (Published by the Mineral Research Soc. of California, Montebello, CA): 34
Obert, L. and Long, A.E. (1962) Underground borate mining, Kern County, California. US Bureau of Mines Report of Investigation 6110, 67 pp.: 1-12
Bowser, C.J. (1965a), Geochemistry and petrology of the sodium borates in the non-marine evaporative environment: Unpublished Ph.. dissertation, University of California, Los Angeles, 307 pp.: 9
Bowser,. C. J., Dickson, F. W. (1966) Chemical Zonation of the Borates of Kramer, California. In Second Symposium on Salt Vol. 1. The Northern Ohio Geological Society. p.122-132.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 102
Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22(9&10): 147, 149, 151.
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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