Smoky Quartz 6mm Star Cut Coin - 15-16 Inch Unakite Mohs Hardness: 6-6

Mohs Hardness: 6-6

in a variety of swirling and linear patterns

who was a great admirer and collector of gemstones

had Red Jasper inlaid in its hilt

Some pearls form naturally in mollusks either in the sea or freshwater such as rivers

Smoky Quartz 6mm Star Cut Coin - 15-16 Inch Unakite Mohs Hardness: 6-6Smoky Quartz is a translucent smoky brown or gray variety of Quartz. It ranges from almost completely transparent to an almost opaque brownish to gray crystal. The color of Smoky Quartz is due to natural irradiation and traces of aluminum within the crystal lattice of the stone. Smoky Quartz it the national gem of Scotland, where it was mined since around 300 BCE.