Tags: Chemical Substance, Mineral.

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.

Peridot2.jpg

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