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Western Namibia in 1910
Blue-Chalcedony can be found in Namibia
elbaite can also be blue
its petals framing a sparkling druzy center that catches light from every angle
Gaspeite is a nickel magnesium iron carbonate that belongs to the calcite group of minerals
Brazilian Quartz w/ Amethyst Inclusions: Pin or Pendant in Sterling and 14K Gold iris Western Namibia in 19102. 6" H x 2. 2" W x . 625" D Cristobalite inclusions in quartz are actually a polymorph, the chemical composition being silicon dioxide. These inclusions are uncommon and constitute evidence of high temperatures during the crystals' growth, typically around 1700 degrees C, as opposed to the temperature of around 870 degrees C. at which quartz commonly forms.
