Stone type: Tsavorite Garnet 
Weight: .45 carat
Color: Green
Shape & Cut: Oval
Treatment: Unheated and Untreated (No Indications Observed)
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