Black Onyx Gemstone Wholesale
Black Onyx is a variety of Agate Or
Onyx.Agate is also a layered variety of Chalcedony thus Black Onyx Gemstone has
got good hardness of 7 on mohs scale.
Black Onyx is generally a white agate which
is being treated to make it Black in colour.The treatment includes soaking of
colour to agate with certain temperature and chemicals which gives it Black
Colour.Good Treatment colours are permanent in Black Onyx.
Black Onyx Gemstone Roughs are generally
treated in India & Germany from where its being sourced by Jindal Gems to its factory to make best quality Black Onyx Gemstone Beads.