Name: |
siderite |
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Class: |
Carbonates |
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Chemistry: |
FeCO3 Iron Carbonate |
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Color(s): |
yellowish to brownish, black, occasuibakky white |
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Hardness: |
4 - 4.5 |
SpecGrav: |
3.7 - 3.9 |
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Fracture: |
conchoidal |
Cleavage: |
complete |
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Crystal: |
Hexagonal (commonly rhombohedral, prismatic and scalenohedral. Sometimes massive.) |
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Envronment: |
hypothermal veins, and hydrothermal replacements. |
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Association: |
barite, calcite, galena, sphalerite, chalcopyrite |
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Locals: |
| Austria | Germany | Czechoslovakia | England | Spain | Conn., Colorado, Az., USA | |
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Misc: |
The name is derived from the Greek word "sideros", meaning "iron". It is a minor ore of iron. It is soluble in warm hydrochloric acid. It often has a soft yellow fluorescence under UV light. |
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Photos |
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1.) Hulcani, Peru |
4.) Hulcani, Peru |
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