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They lived for over 300 million years and there have been more than 20
Chemical Formulas: Cu₂CO₃(OH)₂ & Cu₂H₂Si₂O₅(OH)₄
Those who collect primarily copper-based minerals may not even have specimens like this n their collection
Mioplosussp
and Amethyst
Green Wavellite - Arkansas They lived for over 300Size: 2. 7 x 2. 7 in Weight: 6. 5 oz Location: Arkansas Chemical Formula: Al3(PO4)2(OH,F)35H2O Wavellite is a secondary mineral common in aluminous low grade metamorphic rocks, phosphate rocks, and epithermal veins. The mineral is found in light to dark green, yellowish green, yellow, brown, and gray hues. It will rarely be found white or colorless. Wavellite will crystallize in the form of clusters, stalactites, skinny needle like crystals, or as a
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