Specific Gravity: varies according to composition of the mineral
Crystal System: cubic
Index of Refraction: varies acccording to composition of the mineral
Transparency: from transparent to opaque
Garnet is composed of silicate that, when compounded with different elements, takes on different colors and names. Garnet as a group comprises a large number of minerals: deep red Almandine, red Pyrope, rosy red Rhodolite, orangy red Spessartine, intense green Tsavorite, reddish orange Hessonite, and yellowish green Demantoid.