gemstone
Yellow Agate
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, yellow to translucent coloration, waxy to vitreous luster, microcrystalline quartz structure with no visible cleavage, and a specific gravity of 2.60 to 2.65.
Identified More gemstone →
Explore Yellow Agate in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness of 6.5 to 7 on the Mohs scale, yellow to translucent coloration, waxy to vitreous luster, microcrystalline quartz structure with no visible cleavage, and a specific gravity of 2.60 to 2.65.
Formation & geological history
Formed through the deposition of silica from groundwater in the cavities of igneous and sedimentary rocks, often developing over millions of years in concentric layers.
Uses & applications
Commonly used in jewelry, ornamental carvings, polished display pieces, and metaphysical collections.
Geological facts
Agate is a variety of chalcedony and has been used since ancient times for amulets, seals, and ornamentation due to its durability and attractive banding.
Field identification & locations
Identified by its translucency, conchoidal fracture, and smooth tumbled texture. Found worldwide in regions with volcanic activity and ancient riverbeds.
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
Amber
Succinite (Organic Gemstone)
mineral
Diamond and Gold Jewelry
Carbon (Diamond) / Au (Gold)
gemstone
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Cubic Zirconia (simulant) or Diamond
ZrO2 (Cubic Zirconia) or C (Diamond)
gemstone