Description
Green Tourmaline on Quartz crystal G. The opaque Green tourmaline crystal is about 1/2 inch long on a quartz matrix that is about 2 inches x 3/4 inches. This specimen was found in Nigeria.
Tourmaline Crystals are popular as gemstones and with mineral collectors around the world. Not one mineral but a group of boron silicate minerals that share crystal structue and many of the same physical properties, but with a variety of chemical formulas.
Tourmaline Crystals are popular as gemstones and with mineral collectors around the world. Not one mineral but a group of boron silicate minerals that share crystal structue and many of the same physical properties, but with a variety of chemical formulas.
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