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Borax : Na2[B4O7] · 10H2O |
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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 5.3 by 4.6 cms specimen purchased from David Shannon Minerals in 1983. JSS specimen and photograph. |
| © JSS | Photo ID: 72973 View Count: 744 |
Calcite : CaCO3, Ulexite : NaCa[B5O6(OH)6] · 5H2O |
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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
The Boron Open Pit is well known for its "TV rock" ulexite, but specimens with calcite from this location were never common. Here we have a column of fibrous white ulexite with a 2.0 cm cluster of butterscotch calcite crystals at the tip. Collected April 2000 by Steve Hardinger.
Field of view about 4 cm. |
| © Steve Hardinger | Photo ID: 142574 View Count: 100 |
Chabazite-Na : (Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O |
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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
Herschelite crystal. 80x micro photo, field of view ~1mm. Dionne collection, ex Milton Speckels collection. |
| © Dick Dionne | Photo ID: 13914 View Count: 807 |
Chabazite-Na : (Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O |
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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
Chabazite-Na crystals. 65x micro photo, field of view 1.2mm, Dionne collection. |
| © Dick Dionne | Photo ID: 13479 View Count: 501 |
Colemanite : Ca[B3O4(OH)3] · H2O |
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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: 705 |
Colemanite : Ca[B3O4(OH)3] · H2O |
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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 Dionne | Photo ID: 14633 View Count: 430 |
Colemanite : Ca[B3O4(OH)3] · H2O |
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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 Dionne | Photo ID: 14008 View Count: 389 |
 Colemanite : Ca[B3O4(OH)3] · H2O |
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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 Lackner | Photo ID: 95267 View Count: 120 |
Colemanite : Ca[B3O4(OH)3] · H2O |
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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 González | Photo ID: 131990 View Count: 104 |
Colemanite : Ca[B3O4(OH)3] · H2O |
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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 Hardinger | Photo ID: 143050 View Count: 87 |
