Tumbled Pebbles: Tibetan Quartz

Tibetan Quartz

As the name would suggest this variety of clear quartz comes from Tibet. Quartz from this location often contain impurities include black haematite inclusions. Clear Quartz also known as Rock Crystal ranges from white (opaque) to clear (transparent), and belongs to the rock crystal family of stones. All rock crystals are composed of SiO₂ They form according to a trigonal crystal structure, and have a hardness of 7 on the Mohs scale.