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

Mineral Species
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Description
Comments:Occurs as a filling in amygdules of a vesicular basalt underlying the deposit at the bottom of the pit.
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References: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): 166; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 69, 243.
Associated Minerals:
Associates:Pyrrhotite
Wardsmithite
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Kramer Borate deposit, Boron, Kramer District (Kramer Borate District), Kern Co., California, USA
Localities for Montmorillonite in this Region
Mudd Mine (Western Mine; Western shaft), West Baker, Kramer Borate deposit, Boron, Kramer District (Kramer Borate District), Kern Co., California, USA
Nearest other occurrences of Montmorillonite
39.6km (24.6 miles) A McKendry Bentonite deposit, Gypsite, Fremont Valley, Kern Co., California, USA
43.0km (26.7 miles) B Mingus deposit, Goler Heights, El Paso Mountains District, El Paso Mts, Kern Co., California, USA
45.3km (28.1 miles) C Iron Canyon Mine (Brown and White; Brown-Whiten; Sesomotite Mine; Seisomite; Iron Canyon Brown and White), Ricardo, El Paso Mountains District, El Paso Mts, Kern Co., California, USA
48.5km (30.2 miles) D Pacific Bentonite Mine, San Bernardino Co., California, USA
55.6km (34.6 miles) E Filtrol Bentonite deposit (Filtrol Company Clay deposit #1; Filtrol Company L Clay deposit; Filtrol Fuller's Earth deposit), Sugarloaf Mountain, Loraine District, Kern Co., California, USA
73.1km (45.4 miles) F Unnamed Clay occurrence [20], Daggett, Calico District (Daggett District; Calico-Daggett area), Calico Mts (Calico Hills), San Bernardino Co., California, USA
82.7km (51.4 miles) G Robertson Clay Mine, Apple Valley, San Bernardino Co., California, USA
101.4km (63.0 miles) H Unnamed abandoned quarry (Unnamed small gravel quarry), Claremont, San Gabriel Mts, Los Angeles Co., California, USA
107.7km (66.9 miles) I Henz Bentonite Prospect, San Bernardino Co., California, USA
107.8km (67.0 miles) J Overman property, Castaic Junction, Los Angeles Co., California, USA
111.2km (69.1 miles) K North group of claims, Hector, San Bernardino Co., California, USA
116.5km (72.4 miles) L Commercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Riverside Co., California, USA
121.3km (75.3 miles) M Mojave River Road, Afton Canyon, Afton, Cady Mts, San Bernardino Co., California, USA
123.1km (76.5 miles) N Ballarat Saponite deposit, Ballarat, Panamint District (Ballarat District), Panamint Mts (Panamint Range), Inyo Co., California, USA
127.9km (79.5 miles) O Cronese Mud Mine, San Bernardino Co., California, USA
128.0km (79.5 miles) P California Fullers Earth deposit, Halfway House, Kern Co., California, USA
134.5km (83.6 miles) Q Silver Lake Clay group (Silver Lake Clay Mine), Silver Lake [locale], Silver Lake District, San Bernardino Co., California, USA
136.7km (84.9 miles) R Darwin District, Darwin Hills, Inyo Co., California, USA
138.1km (85.8 miles) S Defiance Mine, Darwin Mine (Anaconda; Bernon Mine; Defiance Mine; Essex Mine; Independence Mine; Intermediate Mine; Rip Van Winkle Mine; Thompson Mine), Darwin, Darwin District, Darwin Hills, Inyo Co., California, USA
155.3km (96.5 miles) T Maricopa pit [1] (Elkhorn pit & mill), Maricopa, Kern Co., California, USA
155.3km (96.5 miles) U Badwater Basin, Death Valley, Inyo Co., California, USA
160.9km (100.0 miles) V Superior Ridge deposits (White Ledge Peak deposits), San Emigdio Mts, Ventura Co., California, USA
163.5km (101.6 miles) W Lake Tecopa Zeolite deposit, Lake Tecopa Basin, Inyo Co., California, USA
163.7km (101.7 miles) X Oak View, Ventura Co., California, USA
165.6km (102.9 miles) Y Excel pit (Excell pit and mill), Spellacy, Temblor Range, Kern Co., California, USA
169.1km (105.1 miles) Z Hard Scramble claim, Ryan, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA
171.3km (106.4 miles) 0 Meridian claim, Twenty Mule Team Canyon, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA
173.2km (107.6 miles) 1 Anita Mine (Magee mine; Magee & Dougherty mine; Sage mine), Red Mountain, Sage, Cahuilla District, Riverside Co., California, USA
183.7km (114.1 miles) 2 McKittrick pit (McKittrick Mud Company; Midway), Reward, Temblor Range, Kern Co., California, USA
192.0km (119.3 miles) 3 Tourmaline King Mine (Gem claim; King mine; MS 4500; MS 4926; Schuyler mine; Wilke mine), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala District, San Diego Co., California, USA
192.1km (119.4 miles) 4 Tourmaline Queen Mine (MS 6458; Queen mine; Tourmaline Queen group; Tourmaline Queen No. 1 claim; Tourmaline Queen No. 2 claim; Tourmaline Queen No. 3 claim), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala District, San Diego Co., California, USA
192.7km (119.7 miles) 5 Oceanview Mine (Oceanview adits; new Oceanview workings), Elizabeth R. Mine (Hazel W. claim), Chief Mountain, Pala, Pala District, San Diego Co., California, USA
192.8km (119.8 miles) 6 Elizabeth R. Mine (Hazel W. claim), Chief Mountain, Pala, Pala District, San Diego Co., California, USA
192.9km (119.9 miles) 7 Chief Extension prospects, Pala Chief Mine (Chief mine; MS 6452; Salmons mine), Chief Mountain, Pala, Pala District, San Diego Co., California, USA
193.0km (119.9 miles) 8 Little Joe adit, Stewart Mine (MS 6162; Stewart Lithia mine), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala District, San Diego Co., California, USA
193.1km (120.0 miles) 9 Little Joe No. 2 adit (Joe 2 adit; Little Joe II adit), Stewart Mine (MS 6162; Stewart Lithia mine), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala District, San Diego Co., California, USA
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