Black Rutilated Quartz 7x9-8x10mm Pebble - 15-16 Inch Rice Bead Howlite can be easily dyed

Howlite can be easily dyed and is often treated to be blue for use as a substitute for turquoise

thought to be derived from trace amounts of titanium

Chrysocolla was first described by Theosphrastus

Tiger Iron has long been popular with jewelry-makers

Black Rutilated Quartz 7x9-8x10mm Pebble - 15-16 Inch Rice Bead Howlite can be easily dyedRutilated 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