Smoky Quartz 6mm Star Cut Coin - 15-16 Inch Stone Type_Pilbara Prase Ruby has long been considered

Ruby has long been considered one of the most beautiful and valuable gemstones on the planet

It is sometimes used for scalpel blades in cardiac surgery

the easy-on-the-eyes nature of a pale yellow color

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Smoky Quartz 6mm Star Cut Coin - 15-16 Inch Stone Type_Pilbara Prase Ruby has long been consideredSmoky 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.