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This Specimen has been sold.
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11.1" Quartz & Calcite Crystal Cluster on Metal Stand - Uruguay
This is a unique quartz crystal geode section from the famous amethyst mines near Artigas, Uruguay. Within the center of this geode section is a large aggregation of calcite crystals. Some spots of this calcite are encrusted in small quartz crystals, while the exposed calcite is transparent in spots and ranges in color from colorless to deep yellow-orange. This is a truly fascinating specimen that we can guarantee will look even better in person than in the photos.
This stunning specimen includes the custom metal display stand shown in the photos.
This stunning specimen includes the custom metal display stand shown in the photos.
About Quartz
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.
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.
SPECIES
Quartz & Calcite
LOCATION
Artigas, Uruguay
SIZE
11.1" tall, 10.9" wide, 12.2" tall on stand
CATEGORY
ITEM
#126145
