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Golden Obsidian is a naturally occurring volcanic glass
which can be yellow
Lepidolite has a glassy or lustrous sheen
in Karelia
creativity
Black Mica 10mm Round A Grade - 15-16 Inch 3pc Golden Obsidian is a naturallyMica 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
