Black Mica 10mm Round A Grade - 15-16 Inch Chrysocolla It is transparent or translucent

It is transparent or translucent

potassium or barium

Pietersite has been called the Tempest Stone for its colors of deep blue and gray with metallic gold and flashes of brilliant chatoyancy as it catches the light

as it operates primarily on the root chakra

Black Mica 10mm Round A Grade - 15-16 Inch Chrysocolla It is transparent or translucentMica 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