Black Opal Specifications
Black Opal Specifications include its chemical, physical and optical properties of natural gemstones. These are displayed through measurements of light dispersion, hardness, density or specific gravity, cleavage, fracture, tenacity, refractive index and luster. These properties vary depending on the type of natural gemstone. Here, to give you a basic insight about Black Opal, we provide you with a few prominent Black Opal facts.
The gem is commonly found in Australia.Chemical formula is majorly responsible in contributing the Physical Properties of Black Opal. It is mainly composed of SiO 2 + H 2OUlrich Henn and Claudio C..