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Name: |
wavellite |
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Class: |
Phosphates/Arsenates/Vanadates |
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Chemistry: |
Al3(PO4)2(OH)3 * 5 H2O Hydrous basic aluminum phosphate |
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Color(s): |
green, yellow, white, brown, Streak: white |
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Hardness: |
3.5 - 4 |
SpecGrav: |
2.3 - 2.4 |
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Fracture: |
conchoidal |
Cleavage: |
perfect 1, good 2 |
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Crystal: |
Orthorhombic (usually radial fibrous -globular) |
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Envronment: |
alteration zone in contact metamorphic rocks, and alteration zone of epithermal veins |
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Association: |
quartz, muscovite, limonite, turquoise |
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Locals: |
| Brazil | Bolivia | England Arkansas, Colorado, Pennsylvania/USA | |
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Misc: |
The name is after William Wavell, the English physician who discovered it. |
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Photos |
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1.) Montgomery County, Arkansas |
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