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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
FOV 30 mm. White tincalconite pseudomorph after borax. |
| © JEFS | Photo ID: 96803 View Count: 198 |
Tincalconite : Na2[B4O7] · 5H2O, Borax : Na2[B4O7] · 10H2O |
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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
Borax crystals altering to Tincalconite. R. Currier collection. White to pale amber colored borax crystals grow in sumps and the bottoms of partially flooded stopes in the old underground workings at Boron. Sometimes the crystals are prismatic like these. Over a period of time they change into white pseudomorphs after Borax. Here the change is ... |
| Photo ID: 237309 View Count: 66 |
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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 25.4 x 15.24 cm slab of tincalconite pseudomorphs after borax crystals from the Baker Mine. In the Charles Creekmur collection. |
| © Charles Creekmur | Photo ID: 243851 View Count: 22 |
