Garnet

Chemical Formula	X2+3Y3+2Si3O12 X represents Ca, Fe2+, Mn, or Mg Y represents Al, Cr, or Fe3+
Color	Red, brown, black, green, yellow, orange, pink, white, and colorless. (Garnets come in all colors with the exception of bluish shades
Luster	Vitreous, adamantine, dull
Transparency	Transparent to Opaque
Crystal System	Isometric
Hardness	6.5 - 8.0 mohs
Specific Gravity	3.5 - 4.3
Tenacity	Brittle