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Name: |
aragonite |
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Class: |
Carbonates |
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Chemistry: |
CaCO3 Calcium Carbonate |
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Color(s): |
yellow, colorless, pale green, violet, brown Streak: white |
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Hardness: |
3.5 - 4.0 |
SpecGrav: |
2.9 - 3.0 |
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Fracture: |
subconchoidal |
Cleavage: |
complete 1 direction |
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Crystal: |
not as common as calcite, it is a high pressure polymorph, evaporative deposits in sedimentary rocks, and some metamorphic and disseminated hydrothermal deposits |
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Envronment: |
not as common as calcite, it is a high pressure polymorph, evaporative deposits in sedimentary rocks, and some metamorphic and disseminated hydrothermal deposits |
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Association: |
calcite, cerussite, lawsonite, gypsum, albite |
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Locals: |
| Spain | New Mexico, Arizona/USA | Mexico | Morocco | |
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Misc: |
Named for the Spanish province of Aragon, Spain where it was first discovered, soluble in HCl with effervescence |
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Photos |
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1.) Tazouta, Morocco |
2.) Tazouta, Morocco |
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