gemstone
Dzi Bead (Agate)
Silicon dioxide (Chalcedony)
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, waxy to vitreous luster, cryptocrystalline crystal structure, and exhibits concentric eye-like banding.
Identified More gemstone →
Explore Dzi Bead (Agate) in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness of 6.5-7 on the Mohs scale, waxy to vitreous luster, cryptocrystalline crystal structure, and exhibits concentric eye-like banding.
Formation & geological history
Formed through the deposition of silica-rich groundwater in volcanic cavities, later shaped and etched by humans.
Uses & applications
Used primarily in jewelry, talismans, and cultural artifacts valued for spiritual and historical significance.
Geological facts
Authentic ancient Dzi beads are highly prized by collectors and can command extremely high prices in the Asian antiquities market.
Field identification & locations
Identified by distinct eye patterns and banded chalcedony structure, commonly sourced from India, Tibet, and Southeast Asia.
More like this
Other gemstone specimens
Ammolite
Ammolite (Biogenic Aragonite with trace elements; fossils of Placenticeras meeki and Placenticeras intercalare)
mineral
Gemstone Ring
N/A - Set piece of jewelry, likely Amethyst or Garnet with Diamond or CZ
gemstone
Topaz
Al2SiO4(F,OH)2
mineral
Amber
Succinite (Organic Gemstone)
mineral
Diamond and Gold Jewelry
Carbon (Diamond) / Au (Gold)
gemstone
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary