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Alstonite : BaCa(CO3)2, Calcite : CaCO3, Fluorite : CaF2 | |
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Minerva No. 1 Mine, Cave-in-Rock, Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA Calcite with alstonite crystals projecting perpendicular from crystal axis. Acquired from Ross Lillie in 2000, who acquired it from the Schulz collection, purchased by him in October 1970 from Harry Sering (Indianapolis rock shop) for $7.50. Specimen 988 in the collection of the photographer, Alan Goldstein. |
| © Alan Goldstein | Photo ID: 25437 View Count: 639 |
Alstonite : BaCa(CO3)2 | |
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Minerva No. 1 Mine, Cave-in-Rock, Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA Alstonite crystals projecting perpendicular from calcite. Specimen 988 in the collection of the photographer, Alan Goldstein. FOV = 1 cm. |
| © Alan Goldstein | Photo ID: 25438 View Count: 502 |
Alstonite : BaCa(CO3)2 | |
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Minerva No. 1 Mine, Cave-in-Rock, Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA Alstonite crystals thickly coat the back of a specimen with calcite, fluorite and alstonite. Specimen 988 in the collection of the photographer, Alan Goldstein. FOV = 1 cm. |
| © Alan Goldstein | Photo ID: 25440 View Count: 474 |
Alstonite : BaCa(CO3)2, Fluorite : CaF2, Calcite : CaCO3 | |
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Minerva No. 1 Mine, Cave-in-Rock, Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA Fluorite with alstonite crystals projecting from crystal; adjacent calcite also with alstonite. Specimen 988 in the collection of the photographer, Alan Goldstein. FOV = 1.5 cm. |
| © Alan Goldstein | Photo ID: 25439 View Count: 467 |
Aragonite : CaCO3 | |
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Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA A gorgeous and aesthetic specimen of lustrous, frosted, light amber aragonite spires from the Cave in Rock District of Illinois. This beautiful and pristine specimen is from the George Feist Collection. 8.0 x 5.7 x 3.8 cm |
| © Rob Lavinsky | Photo ID: 38236 View Count: 251 |
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Cave-in-Rock, Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA An aesthetic specimen from this well known Fluorite locality. Several pale blue Fluorite cubes with yellow centres are intergrown, on which lustrous pale yellow elongate crystals of Aragonite are growing in spiky or bladed clusters. The Fluorite cubes are well formed with a soft lustre, and measure to 2cm in width. Several cubes show small ... |
| © Kristalle and Crys | Photo ID: 106215 View Count: 147 |
Baryte : BaSO4 | |
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Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA A beautiful, two-sided, cockscomb specimen of lustrous, white barite blades on a bit of matrix from the famous Cave in Rock District of Illinois. Very trivial damage overall. Ex Marty Lewadny Collection. 9.3 x 4.0 x 3.0 cm |
| © Rob Lavinsky | Photo ID: 46862 View Count: 447 |
Baryte : BaSO4, Fluorite : CaF2 | |
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Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA A diamond drill core with vermiforme crystal aggregates of barite which was partially covered by a fluorite cube. From the Allied Chemical Co. core library dumped in 1986. This was the parent company of the Minerva Oil Co. which operated a number of mines in the district (IL and KY). The source of this core is unknown, but is probably the Minerva ... |
| © Alan Goldstein | Photo ID: 25238 View Count: 330 |
Baryte : BaSO4 | |
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Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA A diamond drill core with blue on white barite. From the Allied Chemical Co. core library dumped in 1986. This was the parent company of the Minerva Oil Co. which operated a number of mines in the district (IL and KY). The source of this core is unknown, but is probably the Minerva No. 1 mine. Core 113 in the collection of the photographer, Alan ... |
| © Alan Goldstein | Photo ID: 25222 View Count: 309 |
Baryte : BaSO4 | |
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Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA A dendritic Barite in the Smithsonian collection. I have one just like it at home (smaller of course). About 10 inches tall. |
| © J. Wingard | Photo ID: 41110 View Count: 249 |
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