Green and Yellow Banded Tourmaline 4mm Faceted Coin - 15-16 Inch

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Description

Green and Yellow Banded Tourmaline 4mm Faceted Coin - 15-16 InchGreen Tourmaline ranges in color from pale green to dark emerald to shades of olive and moss green. It is an aluminum borosilicate mixed with iron, magnesium and other metals that give it its color. Tourmaline occurs in nearly every color in the rainbow and its name derives from turmali, the Sinhalese word for mixed color precious stone. Tourmaline began to be highly prized after George Kunz, a mineralogist and jeweler, sold a piece of Green

a cryptocrystalline Quartz

but is most commonly associated with white

Botswana Agate was formed nearly 187 million years ago by lava flowing in waves from long faults in the earth

second only to Quartz

It was named from the Latin "Thule" - which was a term used by ancient Greeks and Romans to refer to the then-little-known lands to the north or present day Scandinavia

madre xacao or madre de cacao

the inclusions appear more golden or copper

Crazy Lace Agate is named for its swirling and circular patterns

microcrystalline form of Quartz

Lapis was ground and processed to make the pigment ultramarine for use in frescoes and oil painting

â€ which translates to â€œstone of many colors

this stone

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