Quartz

Quartz


Composition: SiO2
Crystal System : Trigonal
Lustre : Vitreous, slightly greasy
Hardness : 7
Specific Gravity : 2.66

Occurrence

  • Hypogene
  • Supergene
  • Country Rock
  • 1st Oxidation Zone
  • 2nd Oxidation Zone
  • 3rd Oxidation Zone

Notable Finds

A remarkable 70 mm terminated quartz crystal, overgrown by a druse of carbonate was recovered from 13 Level (at the base of the first oxidation zone) and is the Wilhelm Klein collection at Harvard University (Klein # 127336; Harvard University # 127336).