PRODUCT DESCRIPTION 

Polished beautiful Black Onyx Ball Shaped Beaded Necklace

Onyx is a form of chalcedony, which is a microcrystalline quartz formed in the gas cavities of lava. Its multi-layered structure is similar to that of agates. When the stone has a black base and a white upper layer, it's called onyx.

The photographs shown represent either the full stock item available or a sample from a larger batch. Variations are expected among individually selected batches. However, every batch or item within this stock has been carefully sorted, graded and priced according to its respective quality.

PRODUCT MINERALS 
Quartz, Chalcedony

PRODUCT COLOUR 
Black, White

MOHS HARDNESS SCALE
7

PRODUCT DATA
Locality = Swaziland
Grade = A Grade
Size = 10 - 610 mm