Ametrine Facts

Ametrine Facts

by

Ametrine Facts

Chemical Composition Ametrine is macrocrystalline variety of quartz. The chemical composition is Silicon Dioxide having the formula SiO2.
Hardness 7 ( Mohs) .
Cleavage None
Refractive Index 1.544 – 1.553
Specific Gravity 2.63-2.65
Luster Vitreous
Colours Always contains any two colours viz. purple, violet, yellow
Crystal System Hexagonal  crystal system.
Dispersion Medium (.013)
Heat sensitivity Very less.
Pleochroism Weak to distinct.
Density 2.66
Enhancement Ametrine is not enhanced.
Source Natural occurrence at Bolivia and sometimes at Brazil.