Natural 6.30cts onyx black carving 18x12 mm fancy skull loose gemstone s13294

Onyx

An ancient gemstone, Onyx is the banded or layered form of Chalcedony whose bands range from colors, like white to almost any hue. The word “Onyx” has been derived from a Latin word, which means fingernail or claw. Nevertheless, this stone also goes well with its name because of its color resembling skin. Most people think of Onyx as a black stone, but this impression is a bit wrong due to Onyx’s actual meaning in the gemological world where Onyx is referred to as a stone, which exhibits various colors in various layers. However, Black Onyx is regarded as the most sought-after stone of all because black color stones are generally ... Click to Continue »