Name: |
fluorite |
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Class: |
Halides |
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Chemistry: |
CaF2 Calcium Fluroide |
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Color(s): |
violet, blue, green, orange, yellow, pink, etc., Streak: white |
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Hardness: |
4 |
SpecGrav: |
3.0 - 3.2 |
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Fracture: |
conchoidal |
Cleavage: |
perfect |
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Crystal: |
contact metamorphics, epithermal deposits, hydrothermal replacements |
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Envronment: |
contact metamorphics, epithermal deposits, hydrothermal replacements |
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Association: |
barite, apatite, calcite, galena, sphalerite, siderite |
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Locals: |
| England | Illinois, Kentucky, Ohio, Colorado/USA | Mexico | Canada | |
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Misc: |
Often violet, green, or blue fluorescence, dangerous to add acid - forms toxic HF, from the Latin "fluere", "to flow" (because it was used in ancient times as a flux) |
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