Pink Mica Quartz 8mm Round A Grade - 15-16 Inch Round Faceted AA Grade Sardonyx is sometimes treated to

Sardonyx is sometimes treated to bring out its reddish tones

and creams

Historically Opal was renowned as the “Queen of Gems” for its desirability and beauty

it has often been used as a substitute

Moonstone occurs in naturally in shades of white

Pink Mica Quartz 8mm Round A Grade - 15-16 Inch Round Faceted AA Grade Sardonyx is sometimes treated toMica 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