Product ID: 818300333
Product Name: Rough
Price : $25.99
Weight: 27.52
Jewelry Size: 19.1 x 14.2 x 13.5 Mm
Shape: Rough
Color: Violet
Clarity: Opaque
Luster: Good
Origin: Brazil
Treatment: Unheated
Crystal Structure:
Hardness: 6.5 - 7.5
Specific Gravity: 3.9 - 4.1
Refractive Index: 1.76 - 1.78
Chemical: Al2O3, Aluminum Oxide