Quartz, SiO2 (Silicon Dioxide), is a widely found rock-building material found in many shapes and forms. It is one of the most commonly used materials by people, having uses in glass manufacture, electronic equipment, jewelry, decoration and in ancient times for producing sparks to start fires.

Description: A single, large crystal of Smoky Quartz in a matrix pocket lined with transparent milky Quartz. The contrast is very beuatiful, especially under good illumination.

Location: Morello, Australia.