Stone type: Red Garnet
Weight: 1.25 carat
Color: Red
Shape & Cut: Cushion
Treatment: none
Origin: Tanzania
Refractive Index: 1.770-1.820
Hardness: 7-7.5
Specific Gravity: 3.6-4.2
Optical properties: Singly refractive
Chemical formula: x3z2(SiO4)3