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Description
The chemical formula for Black Tourmaline is NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
A "Made in the U
Mohs hardness of 6 - 7
This specimen is from Aouli
this guide draws on Judy Hall's thirty years' experience in this field
Serpentine, Hand Polished, Tumbled Stone, 1 lb lot Moonstone The chemical formula for BlackSerpentine displays a green color with varying shades and patterning. This type Peruvian, is hand polished, and generally a lighter green. The one pound lots contain 20 30 approximately 1" fully tumbled pieces.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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