Stone
Onyx
Onyx, a parallel-banded chalcedony variety; natural and dyed material occurs.
Also known as: oniks · onyx
Onyx is a parallel-banded chalcedony variety; natural and dyed material occurs. It cameo and intaglio cutters used its contrasting layers to build images.
Its physical identity is distinct from spiritual interpretation. It is linked with boundaries, self-command and sober presence. These correspondences are symbolic uses in modern crystal culture, not measured mineral effects.
Lukewarm soapy water and a soft cloth suit general care; avoid impact, thermal shock and harsh chemicals. Spiritual interpretations belong to belief and personal experience; they do not replace medical diagnosis or treatment. Mineral dust must not be inhaled during cutting or grinding.
Sources: GIA Gem Encyclopedia, Mindat mineral database, Metropolitan Museum gem history.
Properties
- Mohs hardness
- 6.5
- Primary color
- black and white banded
- Mineral family
- quartz