natural rough Himalayan crystal quartz

Product Overview

Description

Himalayan natural rough quartz

 

Refractive index ----  1.5

Relative Density  ----- 2.6   ---- 2.65

Hardness -------          7

Crystal Group  ------ Trigonal

Cleavage  ----       Week in three directions

Fracture  --------      Conchoidal

Tenacity  ----------  Tough

Lustre  -------- Glassy to vitreous

Transparency ----- Transparent to translucent

Dispersion  ____   Low ,0.3

Birefringence  --------.009

Pleochroism  ------- None

Location --------- Ganesh Himal Nepal