Petroleum Quartz Specimen - Large Needle Cluster

Petroleum Quartz Specimen About This Specimen Petroleum Quartz, a carbon containing quartz, is characterized by the inclusion of crude oil within the crystal structure.  It is created in high temperature and high-pressure growth environments, allowing liquid to be trapped within the quartz. These stones fluoresce under UV light.        This specimen would make a wonderful display piece, containing a central cavity full of petroleum quartz needles that glow a beautiful orange under UV.                 Color: colorless, off white, white Hardness: 7 Crystal System: Trigonal Country of Origin: Mexico Approximate Dimensions: 6" x 4" x 2.5" Weight: 722 grams