Product ID: 800316397
Product Name: Amethyst
Price : $5.19
Weight: 1.92
Jewelry Size: 5.9 x 4.1 x 2.8 Mm
Shape: Octagon
Color: Purple
Clarity: SI
Luster: Good
Origin: Brazil
Treatment: Unheated
Crystal Structure: Hexagonal
Hardness: 7
Specific Gravity: 2.65 - 2.91
Refractive Index: 1.544 - 1.553
Chemical: SiO2, Silicon D