Mica
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Purple Mica Polished 8mm Round
Bead World Gems
kn556.81Approximate 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...kn556.81 -
Black Tourmaline in Mica Polished 4mm Round
Bead World Gems
kn181.21Approximate 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...kn181.21 -
Black Tourmaline in Mica Grade A Polished 8mm Round
Bead World Gems
kn273.46Approximate 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...kn273.46 -
Black Tourmaline in Mica Grade A Polished 6mm Round
Bead World Gems
kn227.34Approximate 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...kn227.34 -
Black Mica Polished 12mm Round
Bead World Gems
kn174.62Approximate 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...kn174.62 -
Black Mica Polished 6mm Round
Bead World Gems
kn97.20Approximate 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...kn97.20 -
Black Mica Polished 4mm Round
Bead World Gems
kn82.37Approximate 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...kn82.37