Pyrope Garnet Classification
Medium To Dark Reddish Orange, Red Through Slightly Orange, Red To Pale Pink, Colorless
Chrome Pyrope, Bohemian Garnet (Not Recommended)
RI , SR nature and spectrum, possible SG. If stone has a pyrope spectrum and an RI slightly above 1.750 it is pyrope garnet. Stones with SG lower than 3.8 and a RI lower than 1.76 are pyrope and those with higher almandine.
Some rare light pink to colorless stone can have an RI as low as 1.717. Misnomers: Colorado ruby, Cape ruby, Arizona ruby, Bohemian carbuncle. Stones can show a chrome or non-chrome spectra.