Black Mica Muscovite 12mm Round - 15-16 Inch Size_3-9mm Sold in 12″ strands

Sold in 12″ strands

red and brown

Its color ranges from pink through lilac to a rich purple color

a cryptocrystalline Quartz

and because its hardness has made the stone perfect for beads and cabochons

Black Mica Muscovite 12mm Round - 15-16 Inch Size_3-9mm Sold in 12″ strandsMica is a mineral name given to a group of minerals that are physically and chemically similar. They are all silicate minerals, known as sheet silicates because they form in distinct layers. Micas are fairly light and relatively soft, and the sheets and flakes of mica are flexible. Mica is heat resistant and does not conduct electricity. There are 37 different mica minerals. The most common include: purple lepidolite, black biotite, brown phlogopite