Mica
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Black Tourmaline in Mica Polished 4mm Round
Bead World Gems
$21,825.40Approximate 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...$21,825.40 -
Black Tourmaline in Mica Grade A Polished 8mm Round
Bead World Gems
$32,936.51Approximate 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...$32,936.51 -
Black Tourmaline in Mica Grade A Polished 6mm Round
Bead World Gems
$27,380.95Approximate 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...$27,380.95 -
Black Mica Polished 12mm Round
Bead World Gems
$21,031.75Approximate 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...$21,031.75 -
Black Mica Polished 10mm Round
Bead World Gems
$19,444.44Approximate 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...$19,444.44 -
Black Mica Polished 8mm Round
Bead World Gems
$14,682.54Approximate 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...$14,682.54 -
Black Mica Polished 6mm Round
Bead World Gems
$11,706.35Approximate 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...$11,706.35 -
Black Mica Polished 4mm Round
Bead World Gems
$9,920.64Approximate 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...$9,920.64