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Wright-McGrady Mine, Karnes Uranium District, Karnes Co., Texas, USA A cluster of three lustrous baryte crystals on drusy calcite, nestled inside a cavity in a chunk of a concretion. The largest crystal is 1.0 x .2 x 1.0 cm., while the specimen is 9.2 x 9.5 cm. Self collected during mine reclamation in 2000. |
| © Paul Bordovsky | Photo ID: 66000 View Count: 475 |
Calcite : CaCO3 | |
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Sickenius mine, Karnes Uranium District, Karnes Co., Texas, USA Scalenohedral calcite crystals found in a small vug, within a concretion. Self collected in 2007 prior to mine reclamation. Largest crystal is 3mm. Fluorescent under SW and MW ultraviolet light. Paul Bordovsky photo and specimen. |
| © Paul Bordovsky | Photo ID: 87133 View Count: 209 |
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Wright-McGrady Mine, Karnes Uranium District, Karnes Co., Texas, USA Calcite rhombohedron 8mm found in concretion. Self collected 2006. Calcite is fluorescent under SW and MW ultraviolet. Paul Bordovsky photo, and specimen in Franklin Roberts collection. |
| © Paul Bordovsky | Photo ID: 87130 View Count: 193 |
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Pfeil mine, Karnes Uranium District, Karnes Co., Texas, USA Powdery grains of yellow carnotite in a sandstone matrix measuring 3x3 inches in the collection of Charles Creekmur. |
| © Charles Creekmur | Photo ID: 233263 View Count: 27 |
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Pfeil mine, Karnes Uranium District, Karnes Co., Texas, USA Ramshorn selenite crystal 3.6 cm on bed of calcite rhombohedrons. Specimen is 7.0 cm X 7.4 cm. Crystals are formed inside concretions. Calcite fluoresces pink under short wave UV light. Self collected. |
| © Paul Bordovsky | Photo ID: 46274 View Count: 570 |
Gypsum (Var: Selenite) : Ca[SO4] · 2H2O | |
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Kellner mine, Karnes Uranium District, Karnes Co., Texas, USA Water clear selenite crystals on micrite matrix. Large crystal is 2.0 X .6 X 1.1 cm. Found inside concretions, self collected in 2003 during mine reclamation. |
| © Paul Bordovsky | Photo ID: 65999 View Count: 398 |
Gypsum (Var: Selenite) : Ca[SO4] · 2H2O, Calcite : CaCO3 | |
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Kellner mine, Karnes Uranium District, Karnes Co., Texas, USA 3 water clear selenite crystals in disc form on a bed of calcite rhombohedrons. The front crystal is 1.3 cm, and the specimen is 4.6cm X 2.0 cm. The calcite fluoresces pink under short wave UV light. Self collected, and in personal collection. The crystals are found inside concretions. |
| © Paul Bordovsky | Photo ID: 46273 View Count: 374 |
Gypsum (Var: Selenite) : Ca[SO4] · 2H2O, Calcite : CaCO3 | |
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Pfeil mine, Karnes Uranium District, Karnes Co., Texas, USA Ramshorn selenite crystals on drusy calcite, 5 X 1 X 5 cm. Calcite fluoresces pink. Self collected 2004. Paul Bordovsky photo and specimen |
| © Paul Bordovsky | Photo ID: 65998 View Count: 270 |
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