gemstone
Yellow Agate
SiO2 (Quartz variety)
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, yellow to golden-orange color, waxy to vitreous luster, and microcrystalline crystal structure with no cleavage.
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 6.5-7 on the Mohs scale, yellow to golden-orange color, waxy to vitreous luster, and microcrystalline crystal structure with no cleavage.
Formation & geological history
Forms by the deposition of silica from groundwater in cavities of igneous and sedimentary rocks over millions of years.
Uses & applications
Widely used in jewelry, decorative beads, carved ornaments, and lapidary art.
Geological facts
Agate has been used since ancient times for amulets, seals, and ornamental vessels by civilizations like the ancient Greeks and Egyptians.
Field identification & locations
Identified by its translucent golden banding or uniform dyed yellow color, waxy luster, and conchoidal fracture. Commonly found in Brazil, India, and the USA.
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