Pyrope (Garnet)

Color: Red with brown tint

Moh’s Hardness: 7.5

Refractive Index: 1.73-1.76

Critical Angle: 35.31°

Specific Gravity: 3.65-3.80

Cleavage: Imperfect

Fracture: Subconchoidal

Heat Sensitivity: Slightly

Birefringence (double refraction): 0.024

Crystal Structure: Isometric, rhombic, dodecahedron,icositetrahedron