
previous month zodiac signs next month Peridot fact file Crystal Structure: Orthorhombic Chemical Composition: Chrysolite or Olivene – Magnesium/Iron Silicate ( (Mg,Fe)2SiO4 ) Hardness: 6 ½ to 7 MOHSRefractive Index: 1.654 to 1.690 Colors: Transparent yellowish-green, bottle green Peridot, the…