Black Mica 6mm Round A Grade - 15-16 Inch Best Sellers Isaac’s Cathedral in St

Isaac’s Cathedral in St

black with snowflake patterns

yellow or green

Dakota Stones’ Sleeping Beauty Turquoise is from the Sleeping Beauty mine in Globe

Black Mica 6mm Round A Grade - 15-16 Inch Best Sellers Isaac’s Cathedral in StMica 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