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Name: |
scolecite |
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Class: |
Silicates |
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Chemistry: |
Ca[Al2Si7O10] * 3 H2O zeolite member |
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Color(s): |
white, colorless, Streak: white |
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Hardness: |
5 - 5.5 |
SpecGrav: |
2.27 - 2.4 |
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Fracture: |
conchoidal |
Cleavage: |
perfect |
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Crystal: |
monoclinic (often fine fibers) |
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Envronment: |
cavities in volcanic rock, and contact metamorphics |
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Association: |
stilbite, heulandite, apophylite |
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Locals: |
| Poona/India | Iceland | USSR | California, Colorado/ USA | Brazil | |
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Misc: |
soluble in dilute HCl. from the Greek "skolex", or "worm", from the worm-like shape it creates when heated. |
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Photos |
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1.) Poona, India |
3.) Poona, India |
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