sedimentary
Red and Green Jasper
Microcrystalline quartz (SiO2)
AI-generated identification · may be incorrectMohs hardness of 6.5-7, vibrant red and green banding, opaque, waxy luster, conchoidal fracture.
Identified More sedimentary →
Explore Red and Green Jasper in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Mohs hardness of 6.5-7, vibrant red and green banding, opaque, waxy luster, conchoidal fracture.
Formation & geological history
Formed through the hydrothermal deposition of silica-rich fluids in sedimentary basins during the Precambrian era.
Uses & applications
Used in ornamental carvings, jewelry, lapidary art, and as a collector's specimen.
Geological facts
The red coloration comes from hematite inclusions, while the green often derives from iron silicates or celadonite.
Field identification & locations
Identify by its high hardness, smooth water-worn texture in rivers, and distinct contrasting red and green colors.
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