sedimentary
Tumbled Agate
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale, translucent white with orange iron-oxide banding, waxy to vitreous luster, and conchoidal fracture.
Identified More sedimentary →
Explore Tumbled Agate in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness of 7 on Mohs scale, translucent white with orange iron-oxide banding, waxy to vitreous luster, and conchoidal fracture.
Formation & geological history
Formed through the deposition of silica-rich groundwater in cavities of ancient volcanic and sedimentary rocks.
Uses & applications
Widely used in lapidary arts, tumbled stones, wire-wrapped jewelry, and spiritual crystal collections.
Geological facts
Agate bands represent successive layers of microscopic quartz crystals filling volcanic gas vesicles over long periods.
Field identification & locations
Identified by its distinctive color banding and hardness; commonly found in riverbeds and gem deposits globally, perfectly fitting the region's diverse geology.
More like this
Other sedimentary specimens
Fossil-bearing concretion, possibly containing a fossil shell or other organic inclusion
Calcareous concretion; exact fossil and host-rock composition are not identifiable from the image
fossil
Fossiliferous Sedimentary Rock
Sedimentary limestone with invertebrate fossil imprint
fossil
Sandstone or Siltstone
Arenite (if sandstone)
Sedimentary
Sandstone
Arenite
sedimentary
Shale
Shale (clastic sedimentary rock)
sedimentary
Shale (or Mudstone/Siltstone)
Sedimentary Mudrock (SiO2, Al2O3 base with clay minerals)
sedimentary