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Colemanite from
Kramer Borate deposit, Boron, Kramer District (Kramer Borate District), Kern Co., California, USA

Mineral Species
Species:Colemanite
Formula:Ca[B3O4(OH)3] · H2O
Description
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
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
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; Christ, C.L. & R.M. Garrels (1959), Relations among sodium borate hydrates at the Kramer deposit, Boron, California: American Journal of Science: 257: 516; Bowser, C.J. & F.W. Dickson (1961), Chemical zonation of the borates of Kramer, California, In: J.L. Rau (ed.), Second Symposium on Salt: 1: 122-132, Northern Ohio Geological Society; 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1-12; Bowser, C.J. (1965a), Geochemistry and petrology of the sodium borates in the non-marine evaporative environment: Unpublished Ph..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; Schaller, Waldemar Theodore (1927), Kernite, a new sodium borate: American Mineralogist: 12: 24; Schaller, Waldemar Theodore (1930), Borate minerals from the Kramer district, Mohave Desert, California: USGS PP 158-I: 138; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 168 (photo 4-5), 249; 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; 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.
Associated Minerals:
Associates:Baryte
Berthierite
Birnessite
Howlite
Melnikovite
Associated Minerals Based on Photo Data:
Calcite112 photos of Colemanite associated with Calcite at this locality.
Pararealgar14 photos of Colemanite associated with Pararealgar at this locality.
Ulexite12 photos of Colemanite associated with Ulexite at this locality.
Orpiment7 photos of Colemanite associated with Orpiment at this locality.
Hydroboracite4 photos of Colemanite associated with Hydroboracite at this locality.
Realgar3 photos of Colemanite associated with Realgar at this locality.
Analcime2 photos of Colemanite associated with Analcime at this locality.
Baryte1 photo of Colemanite associated with Baryte at this locality.
Data
Mineral Data:Click here to view Colemanite data
Locality Data:Click here to view Kramer Borate deposit, Boron, Kramer District (Kramer Borate District), Kern Co., California, USA
Localities for Colemanite in this Region
U.S. Borax Mine (Pacific West Coast Borax; Pacific Coast Borax Co.; Boron Mine; Boron open pit; U.S. Borax and Chemical Corporation Mine; Kramer Mine; Kramer pit; Baker Mine), Kramer Borate deposit, Boron, Kramer District (Kramer Borate District), Kern Co., California, USA
U.S. Borax open pit (Boron pit), U.S. Borax Mine (Pacific West Coast Borax; Pacific Coast Borax Co.; Boron Mine; Boron open pit; U.S. Borax and Chemical Corporation Mine; Kramer Mine; Kramer pit; Baker Mine), Kramer Borate deposit, Boron, Kramer District (Kramer Borate District), Kern Co., California, USA
Nearest other occurrences of Colemanite
5.8km (3.6 miles) A Boron, Kramer District (Kramer Borate District), Kern Co., California, USA
29.1km (18.1 miles) B Sunray Mid-Continent Oil Company Colemanite deposit, Red Buttes, East Kramer Borate area (East Kramer Colemanite area), East Kramer District, San Bernardino Co., California, USA
33.1km (20.6 miles) C Rho A, Red Buttes, East Kramer Borate area (East Kramer Colemanite area), East Kramer District, San Bernardino Co., California, USA
61.8km (38.4 miles) D Rho B, Phelan, East Kramer Borate area (East Kramer Colemanite area), East Kramer District, San Bernardino Co., California, USA
79.9km (49.7 miles) E 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 Co., California, USA
80.2km (49.8 miles) F Centennial Mine, Yermo (Marian; Marion; Otis), Calico District (Daggett District; Calico-Daggett area), Calico Mts (Calico Hills), San Bernardino Co., California, USA
84.8km (52.7 miles) G Trona Mine (American Potash and Chemical Corporation), Trona, Argus District, Argus Range (Argus Mountains; Darwin Range; Tortoise Mountains), San Bernardino Co., California, USA
87.8km (54.5 miles) H Lang Mine (Sterling Mine; Sterling Borax Mine; Tick Canyon Borax Mine), Tick Canyon Borate deposit, Tick Canyon, Lang, Los Angeles Co., California, USA
92.5km (57.5 miles) I Lang, Los Angeles Co., California, USA
115.4km (71.7 miles) J Owl Hole Springs, Owlshead Mts, San Bernardino Co., California, USA
115.6km (71.8 miles) K Hector, San Bernardino Co., California, USA
119.8km (74.4 miles) L Fort Cady deposit, Fort Irwin area, San Bernardino Co., California, USA
128.6km (79.9 miles) M Columbus Mine, Lockwood Valley, Lake of the Woods area, Ventura County Borate District (Stauffer District), San Emigdio Mts, Ventura Co., California, USA
129.4km (80.4 miles) N Russell Mine, Lockwood Valley, Lake of the Woods area, Ventura County Borate District (Stauffer District), San Emigdio Mts, Ventura Co., California, USA
129.4km (80.4 miles) O Unnamed Borate prospects (1), Lockwood Valley, Lake of the Woods area, Ventura County Borate District (Stauffer District), San Emigdio Mts, Ventura Co., California, USA
130.6km (81.2 miles) P Frazier Mine (Frazier Borax Mine), Lockwood Valley, Lake of the Woods area, Ventura County Borate District (Stauffer District), San Emigdio Mts, Ventura Co., California, USA
133.1km (82.7 miles) Q Bitter Creek Borate Workings Mine (Bitter Creek claim; Bitter Crick placer claim; Merrill claim; Comet claim; Climax claim; Gridiron Placer Mining claim; Bueno claim), Lockwood Valley, Lake of the Woods area, Ventura County Borate District (Stauffer District), San Emigdio Mts, Ventura Co., California, USA
134.4km (83.5 miles) R Ives tunnel, Lockwood Valley, Lake of the Woods area, Ventura County Borate District (Stauffer District), San Emigdio Mts, Ventura Co., California, USA
134.5km (83.6 miles) S Middle Fork Creek Borate deposits (Jumbo claim; Gib claim; Center Creek claim; Baldwin claim; Mammoth claim), Lockwood Valley, Lake of the Woods area, Ventura County Borate District (Stauffer District), San Emigdio Mts, Ventura Co., California, USA
135.4km (84.1 miles) T Stubblefield & Halloway property, Lockwood Valley, Lake of the Woods area, Ventura County Borate District (Stauffer District), San Emigdio Mts, Ventura Co., California, USA
141.3km (87.8 miles) U Unnamed Borate prospects (2), Ojai, San Emigdio Mts, Ventura Co., California, USA
155.4km (96.6 miles) V Death Valley, Inyo Co., California, USA
167.1km (103.8 miles) W Lizzy V. Oakley (Lizzie V. Oakley Mine), Ryan, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA
167.5km (104.1 miles) X Widow No. 3 Mine (New Widow), Ryan, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA
167.5km (104.1 miles) Y Grand View Mine (Grandview Mine), Ryan, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA
167.6km (104.1 miles) Z Widow No. 1 Mine (Widow Mine), Ryan, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA
167.6km (104.1 miles) 0 Widow No. 7 Mine (Old Widow), Ryan, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA
167.9km (104.3 miles) 1 Furnace Creek Wash (Monte Blanco Borax and Salt Mining District; Death Valley Borax and Salt Mining District), Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA
167.9km (104.3 miles) 2 Unnamed Borate occurrence [31], Mushroom Rock, Death Valley, Inyo Co., California, USA
168.1km (104.5 miles) 3 Unnamed Borate prospects [16], Ryan, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA
168.3km (104.6 miles) 4 Sigma Mine (White Monster Mine; Sigma-White Monster Mine), Ryan, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA
168.3km (104.6 miles) 5 Unnamed Borate prospect [10], Greenwater Range, Inyo Co., California, USA
168.7km (104.8 miles) 6 Unnamed Borate prospect [12], Greenwater Range, Inyo Co., California, USA
169.0km (105.0 miles) 7 Lower Biddy McCarthy Mine (Little Biddy Mine), Biddy McCarthy Mines, Ryan, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA
169.1km (105.1 miles) 8 Upper Biddy Mine (Upper Biddy McCarthy Mine; Big Biddy Mine), Biddy McCarthy Mines, Ryan, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA
169.1km (105.1 miles) 9 Hard Scramble claim, Ryan, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA
Mineral and/or Locality  
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