Mica
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Black Tourmaline in Mica Polished 4mm Round
Bead World Gems
$5,727.02Approximate 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...$5,727.02 -
Black Tourmaline in Mica Grade A Polished 8mm Round
Bead World Gems
$8,642.59Approximate 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...$8,642.59 -
Black Tourmaline in Mica Grade A Polished 6mm Round
Bead World Gems
$7,184.81Approximate 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...$7,184.81 -
Black Mica Polished 12mm Round
Bead World Gems
$5,518.77Approximate 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...$5,518.77 -
Black Mica Polished 10mm Round
Bead World Gems
$5,102.25Approximate 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...$5,102.25 -
Black Mica Polished 8mm Round
Bead World Gems
$3,852.72Approximate 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...$3,852.72 -
Black Mica Polished 6mm Round
Bead World Gems
$3,071.77Approximate 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...$3,071.77 -
Black Mica Polished 4mm Round
Bead World Gems
$2,603.19Approximate 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...$2,603.19