Mica
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Black Tourmaline in Mica Polished 4mm Round
Bead World Gems
Íkr3,834.33Approximate 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...Íkr3,834.33 -
Black Tourmaline in Mica Grade A Polished 8mm Round
Bead World Gems
Íkr5,786.35Approximate 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...Íkr5,786.35 -
Black Tourmaline in Mica Grade A Polished 6mm Round
Bead World Gems
Íkr4,810.34Approximate 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...Íkr4,810.34 -
Black Mica Polished 12mm Round
Bead World Gems
Íkr3,694.90Approximate 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...Íkr3,694.90 -
Black Mica Polished 6mm Round
Bead World Gems
Íkr2,056.59Approximate 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...Íkr2,056.59 -
Black Mica Polished 4mm Round
Bead World Gems
Íkr1,742.88Approximate 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...Íkr1,742.88