Black Tourmaline - Brazil - 10 pounds Green These bands often resemble the

These bands often resemble the patterns seen on a tiger's fur

4 grams per cubic centimeter

Color: Nellite typically displays a mix of vibrant colors such as gold

depending on the specific composition of the stone and its surface finish

Black Tourmaline - Brazil - 10 pounds Green These bands often resemble theMixed 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