You never go wrong with black gemstones in jewelry making.
Beautiful rose cut and with good polish these flat back cabochons are so ready to be transformed into amazing and elegant ring jewelry♥
I can really see some statement ring pieces in them!
WHAT IS BLACK ONYX:
In correct usage, the name refers to a (usually) black and white banded variety of Agate, or sometimes a monochromatic agate with dark and light parallel bands (brown and white for example) - but traditionally the name was reserved for black and white banded agate, and brown varieties named Sardonyx.
Aproximative Size: 30x8x4mm
Hardness: 6.5-7 on the Mohs scale