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Bakerite : Ca4B4[(OH)4|HBO4|(SiO4)3] | |
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Corkscrew Mine, Corkscrew Canyon, Furnace Creek District, Black Mts, Death Valley, Inyo Co., California, USA A 4.0 by 3.4 cms mass of Bakerite. Not very showy but an uncommon mineral and from the type locality. John Sobolewski specimen and photograph. |
| © John Sobolewski | Photo ID: 43205 View Count: 598 |
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Corkscrew Mine, Corkscrew Canyon, Furnace Creek District, Black Mts, Death Valley, Inyo Co., California, USA 7.2 x 5.0 x 4.2 cm. A large, superb, double pseudomorph borate crystal from the famous Death Valley of California. This sharp, lustrous and sugary crystal is colemanite pseudomorphing meyerhofferite, which itself was pseudomorphing an original large inyoite crystal. It hails from the Corkscrew Mine in Corkscrew Canyon. Very highly representative ... |
| © Rob Lavinsky | Photo ID: 180775 View Count: 84 |
Colemanite : Ca[B3O4(OH)3] · H2O | |
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Corkscrew Mine, Corkscrew Canyon, Furnace Creek District, Black Mts, Death Valley, Inyo Co., California, USA 18.7 x 13.0 x 6.0 cm. A striking, large cabinet colemanite "cross" from the Corkscrew Mine of Death Valley and the Mullane Collection. This unbelievable specimen is a doubly terminated, floater. Glassy, tan to colorless colemanite crystals comprise this piece. |
| © Rob Lavinsky | Photo ID: 217388 View Count: 48 |
Colemanite : Ca[B3O4(OH)3] · H2O | |
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Corkscrew Mine, Corkscrew Canyon, Furnace Creek District, Black Mts, Death Valley, Inyo Co., California, USA Colemanite pseudomorph after Inyoite. J. Minette collection. The scale at the bottom of the image is an inch with a rule at one cm. |
| Photo ID: 236332 View Count: 39 | |
Colemanite : Ca[B3O4(OH)3] · H2O | |
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Corkscrew Mine, Corkscrew Canyon, Furnace Creek District, Black Mts, Death Valley, Inyo Co., California, USA Colemanite pseudomorph after Inyoite. R. Currier collection. The scale at the bottom of the image is an inch with a rule at one cm. |
| Photo ID: 236325 View Count: 38 | |
Colemanite : Ca[B3O4(OH)3] · H2O | |
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Corkscrew Mine, Corkscrew Canyon, Furnace Creek District, Black Mts, Death Valley, Inyo Co., California, USA Colemanite pseudomorph after Inyoite. J. Minette collection. The scale at the bottom of the image is an inch with a rule at one cm. |
| Photo ID: 236331 View Count: 35 | |
Colemanite : Ca[B3O4(OH)3] · H2O, Inyoite : Ca(H4B3O7)(OH) · 4H2O, Todorokite : (Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O | |
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Corkscrew Mine, Corkscrew Canyon, Furnace Creek District, Black Mts, Death Valley, Inyo Co., California, USA 5.4 x 4.0 x 3.1 cm. A classic, old-time and rare pseudomorph and combination specimen from the Corkscrew Mine of Death Valley, California. This superb, two-sided specimen consists of colemanite after sharp, blocky, parallel-growth, inyoite crystals. The fine pseudomorphs, front and back, are completely covered with two colors of brown and tan, ... |
| © Rob Lavinsky | Photo ID: 217430 View Count: 28 |
Colemanite : Ca[B3O4(OH)3] · H2O | |
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Corkscrew Mine, Corkscrew Canyon, Furnace Creek District, Black Mts, Death Valley, Inyo Co., California, USA 12.6 x 7.4 x 4.9 cm. A sculptural cabinet colemanite specimen from the Corkscrew Mine of Death Valley and the Jaime Bird Collection. This floater, two-sided piece is comprised of intergrown, glassy/sparkly, tan to colorless colemanite crystal puffballs. The two diverging clusters at the top look like reindeer antlers. Excellent and classic older ... |
| © Rob Lavinsky | Photo ID: 242602 View Count: 13 |
Gowerite : Ca[B5O8(OH)][B(OH)3]·3H2O | |
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Corkscrew Mine, Corkscrew Canyon, Furnace Creek District, Black Mts, Death Valley, Inyo Co., California, USA Picture-Width = 2.5mm |
| © Elmar Lackner | Photo ID: 42429 View Count: 409 |
Gowerite : Ca[B5O8(OH)][B(OH)3]·3H2O | |
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Corkscrew Mine, Corkscrew Canyon, Furnace Creek District, Black Mts, Death Valley, Inyo Co., California, USA Picture width is 3mm. White needles of Gowerite. Depth of field is achieved with CombineZM. |
| © Elmar Lackner | Photo ID: 113074 View Count: 96 |
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