Product ID: 801502536
Product Name: Chalcedony
Price: $8.74
Weight: 18.17 CT.
Size: 18.7 x 15.9 x 8.5 Mm.
Shape: Oval Cabochon
Color: Lavender
Clarity: Semi Transparent
Luster: Good
Origin: Russia
Treatment:: Unheated
Crystal Structure: Trigonal
Hardness: 7
Specific Gravity: 2.65 - 2.91
Refractive Index: 1.544 - 1.553
Chemical: SiO2, Silicon Dioxide