PYROPE
Species: Pyrope
Group: Garnet Mohs Hardness: 7 to 7.5 out of 10 Color: Medium to dark reddish orange, red through slightly purplish red to pale pink RI: 1.730 to just over 1.750 Birefringence: None SR/DR/AGG: SR, often with ADR Clarity Type: Type II Pleochroism: None Spectrum: Chrome Pyrope: Band at 505nm plus broad absorption at 520 through 620nm. Possibly fine lines in the red at 685 & 687nm. Cutoff around 490nm. Non-Chrome Pyrope: Only the 505nm band and a cutoff at 490nm. Fluorescence: Inert SG: 3.78 (+0.09 / - 0.16) Routine Treatments: None |