CIQ110 Clay Included Quartz Clay Included Quartz Hardness ranks about a 7

Hardness ranks about a 7 on the Mohs Hardness Scale

Its chemical formula is Be3Al2(Si16O18)

BOTSET708c Botswana Agate Cabochon Lot features 10 cabochons

golden yellow

CIQ110 Clay Included Quartz Clay Included Quartz Hardness ranks about a 7Clay included quartz features multiple double terminated clear quartz with clay inclusions from Pakistan. The chemical formula for quartz is SiO4. 2. 5" x 2" 0. 25 lb This unique structure is often referred to as "Fensterquarz or Skeletquarz" in German, with the English translation meaning Window Quartz and Skeleton Quartz respectively. These terms are most often used to refer to growth forms with irregular and jagged surface patterns and the