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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
4 grams per cubic centimeter
depending on the specific composition of the stone and its surface finish
This Amber has some blues
and clarity of thought
the presence of the matrix may affect its overall appearance
Black Tourmaline - Brazil - 10 pounds Green 4 grams per cubic centimeterMixed Sizes. Mostly multiple pieces per pound. Local: Brazil 1. Color: As the name suggests, black tourmaline typically exhibits a deep black color, although it can sometimes have a slight brownish tint. It often occurs in long, prismatic crystals, but can also be found in massive formations. 2. Hardness: Black tourmaline has a hardness of 7 to 7. 5 on the Mohs scale, making it relatively durable and resistant to scratching. 3. Clarity: Black
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