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Colemanite Gallery

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Colemanite : Ca[B3O4(OH)3] · H2O

Boron Pit, Baker mine, U.S. Borax Mine (Pacific West Coast Borax Mine; Pacific Coast Borax Co. Mine; Boron Mine; U.S. Borax and Chemical Corp. Mine; Kramer Mine; Baker Mine), Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA

Photo from SMLS slide library.
Photo ID: 35    View Count: 704

Colemanite : Ca[B3O4(OH)3] · H2O

Boron Pit, Baker mine, U.S. Borax Mine (Pacific West Coast Borax Mine; Pacific Coast Borax Co. Mine; Boron Mine; U.S. Borax and Chemical Corp. Mine; Kramer Mine; Baker Mine), Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA

Colemanite crystals. 55x micro photo, field of view 1.6mm. Dionne collection, ex Milton Speckels collection.
 © Dick DionnePhoto ID: 14633    View Count: 430

Colemanite : Ca[B3O4(OH)3] · H2O

Boron Pit, Baker mine, U.S. Borax Mine (Pacific West Coast Borax Mine; Pacific Coast Borax Co. Mine; Boron Mine; U.S. Borax and Chemical Corp. Mine; Kramer Mine; Baker Mine), Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA

Colemanite crystal displaying phantoms. 30x micro photo, field of view 3mm. Dionne collection, ex Milton Speckels collection.
 © Dick DionnePhoto ID: 14008    View Count: 389

Multiple photos availableColemanite : Ca[B3O4(OH)3] · H2O

Boron Pit, Baker mine, U.S. Borax Mine (Pacific West Coast Borax Mine; Pacific Coast Borax Co. Mine; Boron Mine; U.S. Borax and Chemical Corp. Mine; Kramer Mine; Baker Mine), Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA

Picture width is 50mm. Nice Colemanite Specimen.
 © Elmar LacknerPhoto ID: 95267    View Count: 120

Colemanite : Ca[B3O4(OH)3] · H2O

Boron Pit, Baker mine, U.S. Borax Mine (Pacific West Coast Borax Mine; Pacific Coast Borax Co. Mine; Boron Mine; U.S. Borax and Chemical Corp. Mine; Kramer Mine; Baker Mine), Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA

Colemanite Crystals. 7.4 x 4.7 cm. Photo and collection Pedro González. Equipment Olympus E-500 with Vivitar 90 mm. macro.
 © Pedro GonzálezPhoto ID: 131990    View Count: 104

Colemanite : Ca[B3O4(OH)3] · H2O

Boron Pit, Baker mine, U.S. Borax Mine (Pacific West Coast Borax Mine; Pacific Coast Borax Co. Mine; Boron Mine; U.S. Borax and Chemical Corp. Mine; Kramer Mine; Baker Mine), Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA

A large cluster of colemanite blades that reach about 1.5 cm. The crystals are smokier than the pictures imply. One of the larger southern California colemanites I have seen for awhile. With the Boron Open Pit all but closed to collectors, material like this will only become scarcer.

Specimen size = 11.5 x 7.2 x 4.4 cm (4.5 x 2.8 x 1.7 inches)
 © 2008 Steve HardingerPhoto ID: 143050    View Count: 87
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