Purple Mica Muscovite 8mm Round - 15-16 Inch Shape_Large Hole This is a natural gemstone

This is a natural gemstone therefore each one will be unique

it is cut and polished to look just like a Quartz gemstone

Strawberry Quartz is a translucent

Citrine/Rose Quartz/Amethyst

Terahertz is a spectacular man made ore

Purple Mica Muscovite 8mm Round - 15-16 Inch Shape_Large Hole This is a natural gemstoneMica 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