Mica
-
Black Tourmaline in Mica Polished 4mm Round
Bead World Gems
¥4,340.57Approximate 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...¥4,340.57 -
Black Tourmaline in Mica Grade A Polished 8mm Round
Bead World Gems
¥6,550.32Approximate 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...¥6,550.32 -
Black Tourmaline in Mica Grade A Polished 6mm Round
Bead World Gems
¥5,445.45Approximate 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...¥5,445.45 -
Black Mica Polished 12mm Round
Bead World Gems
¥4,182.73Approximate 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...¥4,182.73 -
Black Mica Polished 6mm Round
Bead World Gems
¥2,328.13Approximate 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...¥2,328.13 -
Black Mica Polished 4mm Round
Bead World Gems
¥1,972.99Approximate 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...¥1,972.99