Mica
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Black Tourmaline in Mica Polished 4mm Round
Bead World Gems
SR374.80Approximate beads per strand: 95 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...SR374.80 -
Black Tourmaline in Mica Grade A Polished 8mm Round
Bead World Gems
SR565.61Approximate beads per strand: 45 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...SR565.61 -
Black Tourmaline in Mica Grade A Polished 6mm Round
Bead World Gems
SR470.20Approximate beads per strand: 65 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...SR470.20 -
Black Mica Polished 12mm Round
Bead World Gems
SR361.17Approximate beads per strand: 35 What is it: Mica is a silicate mineral that form in distinct layers. Mica is fairly light and soft, and sheets and flakes of mica are flexible. History: Mica was first mined in India about 4,000 years ago, where it...SR361.17 -
Black Mica Polished 10mm Round
Bead World Gems
SR333.91Approximate beads per strand: 38 What is it: Mica is a silicate mineral that form in distinct layers. Mica is fairly light and soft, and sheets and flakes of mica are flexible. History: Mica was first mined in India about 4,000 years ago, where it...SR333.91 -
Black Mica Polished 8mm Round
Bead World Gems
SR252.14Approximate beads per strand: 45 What is it: Mica is a silicate mineral that form in distinct layers. Mica is fairly light and soft, and sheets and flakes of mica are flexible. History: Mica was first mined in India about 4,000 years ago, where it...SR252.14 -
Black Mica Polished 6mm Round
Bead World Gems
SR201.03Approximate beads per strand: 65 What is it: Mica is a silicate mineral that form in distinct layers. Mica is fairly light and soft, and sheets and flakes of mica are flexible. History: Mica was first mined in India about 4,000 years ago, where it...SR201.03 -
Black Mica Polished 4mm Round
Bead World Gems
SR170.36Approximate beads per strand: 95 What is it: Mica is a silicate mineral that form in distinct layers. Mica is fairly light and soft, and sheets and flakes of mica are flexible. History: Mica was first mined in India about 4,000 years ago, where it...SR170.36