Product ID: 818300192
Product Name: Rough
Price : $38.99
Weight: 41.37
Jewelry Size: 30.5 x 18.9 x 12.8 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