Material reference

Polished Onyx (Black Onyx) · Paninindigan

Scientific identity, documented history, and community contexts are presented with sources. TÁWID’s contemporary design interpretation is identified separately.

Material identity

Onyx is a chalcedony material, while “polished” describes the surface finish. The Australian Museum identifies onyx among patterned fine-grained quartz materials and notes that chalcedony can be artificially stained. A uniform black commercial bead should therefore be distinguished from the naturally contrasting layers prized in some historical carvings. A glossy surface or dark colour does not, by itself, establish treatment history. [1] [3]

Documented historical context

Onyx has a documented place in Roman gem carving. The Met’s onyx cameo fragment, dated from the late first century BCE to the first century CE, preserves a scene tentatively identified as an episode involving Proserpine and Pluto. The fragment is about 7.8 cm high, much larger than an ordinary bracelet bead. The museum notes that such large cameos more often show members of the Roman imperial family than mythological scenes.

A cameo is an image carved in relief. This object places onyx within a specific history of imagery and skilled carving. Modern uniform black beads are a different product form: their repeated rounded shapes and reflective surfaces make a different use of the material. The Roman object does not supply a universal protective meaning for black onyx. [2]

TÁWID’s contemporary interpretation

Paninindigan is TÁWID’s contemporary title for commitment and public responsibility.

References

1. US Geological Survey, “Natural Gemstones: Mineral Gemstones”
2. Metropolitan Museum of Art, “Onyx cameo fragment,” Roman, late 1st century BCE–1st century CE, 06.1203
3. Australian Museum, “Quartz”

How to read the material guide · Ask about a bracelet