Peridot report

Peridot Color: green, lime, yellowish green, olive green or medium dark green hues Color of Streak: White Moh's hardness: 6.5 - 7 Density or definite Gravity: 3.28-3.48 Cleavage: Indistinct Chemical composition: (Mg, Fe)2SiO4 Refractive Index: 1.650 -1.703 Reflective Index: 31-37 Dispersion: 0.020 (0.012-.0.013) Transparency: Transparent New 4mm Titanium Tension Set Ring, Peridot Bands, Free Sizing 4.5-11 Product Brand : Rumors Jewelry Company Our Price : Check New Price Now Do not buy until you see more details.