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Aragonite : CaCO3, Dolomite (Var: Ferroan Dolomite) : CaMg(CO3)2, Quartz : SiO2 | |
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State Route 37 road cut, Bloomington, Monroe Co., Indiana, USA Aragonite crystals line a geode with ferroan dolomite altering to goethite. Specimen 664 in the collection of the photographer, Alan Goldstein. |
| © Alan Goldstein | Photo ID: 26232 View Count: 409 |
Aragonite : CaCO3 | |
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State Route 37 road cut, Bloomington, Monroe Co., Indiana, USA Harvard Museum no. 134186. Label is about 5.5 cm across. P. Cristofono photo. |
| © 2008 Peter Cristofono | Photo ID: 144844 View Count: 131 |
Baryte : BaSO4, Quartz : SiO2 | |
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SR 37 Roadcut, Harrodsburg, Monroe Co., Indiana, USA Barite in quartz geode. Specimen G162 collected by, and in collection of the photographer, Alan Goldstein. |
| © Alan Goldstein | Photo ID: 24834 View Count: 565 |
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SR 37 Roadcut, Harrodsburg, Monroe Co., Indiana, USA Clear blades of baryte (barite) in a geode from this famous Indiana locality. I obtained the specimen at a small mineral and gem show in Mason, Michigan, USA. Photo is about 8.6 mm in length. Photo and specimen: Steve Stuart. |
| © SMS 2007 | Photo ID: 131762 View Count: 131 |
Baryte : BaSO4, Quartz : SiO2 | |
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SR 37 Roadcut, Harrodsburg, Monroe Co., Indiana, USA Barite crystals in a hollow quartz geode. Specimen G441 collected by, and in the collection of the photographer, Alan Goldstein. |
| © Alan Goldstein | Photo ID: 24844 View Count: 397 |
Baryte : BaSO4 | |
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SR 37 Roadcut, Harrodsburg, Monroe Co., Indiana, USA Barite in parallel crystals, 85x. This specimen is transparent yellow with sulfide inclusions. R. Turner specimen and SEM image (specimen provided by Alan Goldstein). |
| © Alan Goldstein | Photo ID: 116990 View Count: 236 |
Baryte : BaSO4, Pyrite : FeS2, Quartz : SiO2 | |
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SR 37 Roadcut, Harrodsburg, Monroe Co., Indiana, USA Barite in quartz geode with pyrite pseudomorph after dolomite. Specimen G516 in the collection of the photographer, Alan Goldstein. |
| © Alan Goldstein | Photo ID: 25262 View Count: 395 |
Baryte : BaSO4, Calcite : CaCO3, Dolomite : CaMg(CO3)2, Quartz : SiO2 | |
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SR 37 Roadcut, Harrodsburg, Monroe Co., Indiana, USA Quartz lined geode with barite, calcite, and dolomite. 17cm across. |
| © Chris Tucker | Photo ID: 43041 View Count: 363 |
Baryte : BaSO4 | |
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SR 37 Roadcut, Harrodsburg, Monroe Co., Indiana, USA A zoned barite crystal from a geode. Alan Goldstein specimen (7167) and photo. |
| © Alan Goldstein | Photo ID: 27561 View Count: 311 |
Baryte : BaSO4, Marcasite : FeS2 | |
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SR 37 Roadcut, Harrodsburg, Monroe Co., Indiana, USA Barite crystal with marcasite inclusions. A loose crystal from a geode. Alan Goldstein specimen (7074) and photo. Crystal is about 1 cm wide. |
| © Alan Goldstein | Photo ID: 42713 View Count: 261 |
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