2.9" Quartz Crystal Cluster - Peru

This is beautiful cluster of quartz crystals that was collected from the Huanzala Mine in Peru. The entire specimen measures 2.9" wide and formed from a pyrite matrix (underside of specimen contains pyrite crystals).

Quartz is the name given to silicon dioxide (SiO2) and is the second most abundant mineral in the Earth's crust. Quartz crystals generally grow in silica-rich environments--usually igneous rocks or hydrothermal environments like geothermal waters--at temperatures between 100°C and 450°C, and usually under very high pressure. In either case, crystals will precipitate as temperatures cool, just as ice gradually forms when water freezes. Quartz veins are formed when open fissures are filled with hot water during the closing stages of mountain formation: these veins can be hundreds of millions of years old.
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DETAILS
SPECIES
Quartz
LOCATION
Huanzala Mine, Bolognesi, Peru
SIZE
2.9" wide
CATEGORY
ITEM
#99665