③ 3.8 克拉实验室培育祖母绿哥伦比亚绿色祖母绿切割裸石

Gemstone category Lab Grown Emerald

Chemical Property

Lab grown emerald have the same chemical, physical, and optical characteristics as the natural mined emerald

Hardness 7.5 Moh's Scale

Specific Gravity 2.7

Refrective Index 1.570-1.577

Double refraction 0.006

Dispersion 0.014

Color Columbia green

Cut\Shapes Emerald Cut (Custom cutting acceptable)