Product ID: 818300190
Product Name: Rough
Price : $72.99
Weight: 76.10
Jewelry Size: 30.2 x 20.3 x 16.9 Mm
Shape: Rough
Color: Violet
Clarity: Semi - Transparent
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