Mica
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Black Tourmaline in Mica Polished 4mm Round
Bead World Gems
ر.ق100.16Approximate 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...ر.ق100.16 -
Black Tourmaline in Mica Grade A Polished 8mm Round
Bead World Gems
ر.ق151.14Approximate 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...ر.ق151.14 -
Black Tourmaline in Mica Grade A Polished 6mm Round
Bead World Gems
ر.ق125.65Approximate 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...ر.ق125.65 -
Black Mica Polished 12mm Round
Bead World Gems
ر.ق96.51Approximate 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...ر.ق96.51 -
Black Mica Polished 10mm Round
Bead World Gems
ر.ق89.23Approximate 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...ر.ق89.23 -
Black Mica Polished 8mm Round
Bead World Gems
ر.ق67.38Approximate 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...ر.ق67.38 -
Black Mica Polished 6mm Round
Bead World Gems
ر.ق53.72Approximate 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...ر.ق53.72 -
Black Mica Polished 4mm Round
Bead World Gems
ر.ق45.53Approximate 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...ر.ق45.53