Green and Black Mica Muscovite 12mm Round - 15-16 Inch FEATURE03312022 its brilliant color comes from

its brilliant color comes from the presence of very small inclusions of Nickel compounds

A particularly soft stone

in striking patterns

caused by impurities

Green and Black Mica Muscovite 12mm Round - 15-16 Inch FEATURE03312022 its brilliant color comes fromMica 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