Petroleum Firefly Quartz 16.04g Cluster Specimen - Highly UV Reactive

Petroleum Quartz, or Firefly Quartz, is clear quartz that has petroleum inclusions. These inclusions give the Firefly Quartz a gorgeous glow under UV Blacklight. 

This piece is highly reactive to blacklight, as shown. The first photo here was taken in darkness, using only a blacklight. The second photo was taken under normal light conditions. 

Weight: 16.04 grams
Height: approximately 2 inches wide positioned as shown

This cluster can sit on it's side, as shown, or with the points facing upwards, on it's own.