Peridot Peridot (/ˈpɛrɨdoʊ/ or /ˈpɛrɨdɒt/) is - TopicsExpress



          

Peridot Peridot (/ˈpɛrɨdoʊ/ or /ˈpɛrɨdɒt/) is gem-quality olivine. Olivine is a silicate mineral with formula of (Mg, Fe)2SiO4. As peridot is the magnesium-rich variety (forsterite) the formula approaches Mg2SiO4. Peridot crystals have been collected from some Pallasite meteorites. A famous Pallasite was offered for auction in April 2008 with a requested price of close to $3 million at Bonhams, but remained unsold.[3] en.wikipedia.org/wiki/Peridot
Posted on: Sun, 26 Oct 2014 15:51:23 +0000

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