Black Onyx Round Cabochon, choose your size, sold as 1 pcs.

This round black onyx cabochon is a great choice for adding depth and drama to custom jewelry designs. A staple color in jewelry designs that complements nearly any gemstone, this cab is ideal for one-of-a-kind pendant and bracelet designs.

Onyx, a type of opaque chalcedony, is naturally black and is generally dyed to achieve a more uniform color. it is the most common black gemstone and is popular for creating a striking centerpiece and for adding contrast to designs that include lighter and/or more colorful gems. It is a hard gemstone and takes a high polish; since ancient times, onyx has been a favorite for carving.
Please ask for bulk price!
Specifications & Features
Attributes
Gemstone Type: Onyx
Stone Shape: Round
Stone Size:
Stone Type: Natural
Color: Black
enhancement: Dyed (D)
Mohs Hardness: 6.5–7
Refractive Index: 1.53–1.54
Specific Gravity: 2.55–2.7