The different colored zones in the stone result from different oxidation states of iron
a meteorite builds up heat that is then released into the terrestrial rocks with which it collides
Onyx has been both revered and feared throughout history
Shungite has been used as a folk medical treatment since the early 18th century
creating a beautiful blend of pink and green in mottled patterns
Green Rutilated Quartz 4mm Microfaceted Round - 15-16 Inch hps_02122026 The different colored zones inRutilated Quartz is a silicon dioxide mineral with unique needle like inclusions of Rutile. These needles usually appear golden, but can also appear silver, red, copper, or black and can be distributed randomly or in bundles or star like formations. Rutile is the mineral name for natural crystals of titanium dioxide, which may contain iron oxide. When the level of iron oxide is high, the inclusions appear more golden or copper, when it is low, they