18.55 Ct. Oval Cabochon Natural Gem Green Prehnite Unheated
Price: $5.96
Product ID: 818800746
Product Name: Prehnite
Price : $5.96
Weight: 18.55
Jewelry Size: 18.9 x 15.9 x 7.4 Mm
Shape: Oval Cabochon
Color: Green
Clarity: Semi - Transparent
Luster: Good
Origin: Australia
Treatment: Unheated
Crystal Structure: Orthorhombic
Hardness: 6-6.5
Specific Gravity: 2.80-2.90
Refractive Index: 1.61 - 1.67
Chemical: Ca2Al(AlSi3O10)(OH)2