Garnet

Physical Properties

Color brown with patches of orange and green
Form/Habit rhombic dodecahedra
Lusture vitreous
Streak white
Hardness 6.5-7.5
Cleavage absent
Fracture conchoidal
Specific Gravity 3.1-4.3 (high)
Chemical Composition A3B2Si3O12
Crystal System hexagonal (rhombohedral)
Diagnostic Properties rhombic dodecahedron form, hardness, absence of cleavage, conchoidal fractures

Remarks

Gallery