Browse Categories

Black Onyx

Black Onyx is an opaque dyed variety of cryptocrystalline quartz called Chalcedony. Dyed Black Onyx is frequently used in gold and silver jewelry when a solid black ornamental gemstone is needed. Dyed Black Onyx has a hardness of 6.5 – 7 and is durable.
Receive Email Promotions and/or Catalogs from us. Sign Up Here!
Shopping Cart
Your cart is empty.