Name: |
strontianite |
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Class: |
Carbonates |
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Chemistry: |
SrCO3 Strontium Carbonate |
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Color(s): |
white, yellowish, greenish-gray streak: white |
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Hardness: |
3.0 - 4.0 |
SpecGrav: |
3.7 - 3.78 |
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Fracture: |
conchoidal |
Cleavage: |
perfect |
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Crystal: |
orthorhombic (prismatic, tabular, radiating fibrous, sometimes massive) |
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Envronment: |
hydrothermal veins, fillings in chalk cavities, sometimes in limestone cavities |
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Association: |
galena, calcite, sphalerite, chalcopyrite, dolomite, quartz |
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Locals: |
| Scotland | Switzerland | Italy | Germany | Calif., N.Y., Pa., Illinois, Ohio, USA | |
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Misc: |
Strontianite colors a flame crimson, it is used in fireworks to create the deep red colors. It is named for its classic locality, Strontian, Argkyllshire, Scotland. Effervescence in dilute HCl, and is sometimes fluoresces blue in UV light. |
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Photos |
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1.) Nat. Limestone Quarry, Snyder Co., Pa. |
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