Product ID: 818300255
Product Name: Rough
Price : $5.99
Weight: 4.53
Jewelry Size: 10.5 X 8.7 X 7.7 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