Gemstone Characteristics
Peridot

Chemical Composition:
(Mg, Fe)2 Si O4
Hardness: 6.5 - 7
Refractive Index: 1.66 - 1.70
Specific Gravity: 3.34
Lustre: Oily.
Locations Where Found:
Burma, Australia, Norway, St. John's Isle.
Colours:
Greenish Yellow, Green, Brown.

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