Tourmaline
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Black Tourmaline A Grade Polished 8mm Round - Sold Individually
Bead World Gems
¥81.04Sold Individually What is it: Tourmaline is part of a large group of boron silicate minerals with a wide range of colors. It has a Mohs hardness of 7 to 7.5. History: In the 1500s, a Spanish conquistador of Brazil, washed the dirt from a green...¥81.04 -
Black Tourmaline A Grade Polished 6mm Round - Sold Individually
Bead World Gems
¥48.63Sold Individually What is it: Tourmaline is part of a large group of boron silicate minerals with a wide range of colors. It has a Mohs hardness of 7 to 7.5. History: In the 1500s, a Spanish conquistador of Brazil, washed the dirt from a green...¥48.63 -
Black Tourmaline Polished 12mm Round Bead
Bead World Gems
¥202.61Sold Individually What is it: Tourmaline is part of a large group of boron silicate minerals with a wide range of colors. It has a Mohs hardness of 7 to 7.5. History: In the 1500s, a Spanish conquistador of Brazil, washed the dirt from a green...¥202.61 -
Dark Pink / Purple Tourmaline Polished 24-26mm Point Bead
Bead World Gems
¥364.69Sold Individually What is it: Tourmaline is part of a large group of boron silicate minerals with a wide range of colors. It has a Mohs hardness of 7 to 7.5. History: In the 1500s, a Spanish conquistador of Brazil, washed the dirt from a green...¥364.69 -
Black Tourmaline Polished 10mm Lantern Bead
Bead World Gems
¥137.77Sold Individually What is it: Tourmaline is part of a large group of boron silicate minerals with a wide range of colors. It has a Mohs hardness of 7 to 7.5. History: In the 1500s, a Spanish conquistador of Brazil, washed the dirt from a green...¥137.77