gemstone
White Agate
Silicon dioxide (Chalcedony), SiO2
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, solid white color with translucent to opaque luster, microcrystalline quartz structure with conchoidal fracture.
Identified More gemstone →
Explore White 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, solid white color with translucent to opaque luster, microcrystalline quartz structure with conchoidal fracture.
Formation & geological history
Forms by the deposition of silica from groundwater in cavities of igneous and sedimentary rocks, often in concentric bands over millions of years.
Uses & applications
Widely used in jewelry, decorative carvings, tumbling stones, and holistic crystal healing practices.
Geological facts
Agate has been used since antiquity for ornaments and seals, prized by ancient civilizations like the Egyptians and Greeks.
Field identification & locations
Identified by its waxy luster, hardness that scratches glass, and smooth tumbled texture; commonly sourced globally from Brazil, India, and the USA.
More like this
Other gemstone specimens
Gemstone Ring
N/A - Set piece of jewelry, likely Amethyst or Garnet with Diamond or CZ
gemstone
Ammolite
Ammolite (Biogenic Aragonite with trace elements; fossils of Placenticeras meeki and Placenticeras intercalare)
mineral
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