Lab Created Spinel Green Tourmaline Round Faceted Loose Stones (3mm - 15mm)

Description

Gorgeous Round Faceted Lab Created Spinel Green Tourmaline# 149
This gem will fit in most of our same sized calibrated settings
Chemical composition : Al2O3
Crystal Structure : Triagonal
Thermal properties: Melting point 2046°C
Purity : 99.99%
Refractive Index : 1.717
Density : 3.98-4.1 g/cm3
Hardness Mohs : 9