Size Large: 18mm-L x 30mm-W x 10mm-D
Size Small: 18mm-L x 28mm-W x 11mm-D
Qty: 21 Beads / Length: 16 in.
Weight: 158 g.

Onyx, as a name, has it's origin in Greek meaning "fingernail". This is probably because of it's weak transparency. This stone is usually banded whites, blacks and grays. Most onyx is dyed a solid color.

Mohs' Hardness Scale: 6.5

Onyx (black) works with the root chakra, which is positioned at the base of the spine. It helps in grounding ones energy. Onyx helps with self-control and eliminating excess or unwanted energies. It aids in strength, stamina, and vigor. Onyx resonates with the astrological signs Leo and Sagittarius.