Mica
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Black Tourmaline in Mica Polished 4mm Round
Bead World Gems
$42.86Approximate 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...$42.86 -
Black Tourmaline in Mica Grade A Polished 8mm Round
Bead World Gems
$64.68Approximate 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...$64.68 -
Black Tourmaline in Mica Grade A Polished 6mm Round
Bead World Gems
$53.77Approximate 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...$53.77 -
Black Mica Polished 12mm Round
Bead World Gems
$41.30Approximate 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...$41.30 -
Black Mica Polished 10mm Round
Bead World Gems
$38.19Approximate 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...$38.19 -
Black Mica Polished 8mm Round
Bead World Gems
$28.83Approximate 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...$28.83 -
Black Mica Polished 6mm Round
Bead World Gems
$22.99Approximate 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...$22.99 -
Black Mica Polished 4mm Round
Bead World Gems
$19.48Approximate 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...$19.48