Rock Identifier
Jasper (Silicon Dioxide (SiO2)) — mineral
mineral

Jasper

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 6.5 to 7 on the Mohs scale, opaque luster, microcrystalline quartz variety, and comes in red, brown, yellow, or green colors.

Identified More mineral →
Explore Jasper 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, opaque luster, microcrystalline quartz variety, and comes in red, brown, yellow, or green colors.

Formation & geological history

Formed through the silification of sedimentary or volcanic rocks by silica-rich hydrothermal fluids over millions of years.

Uses & applications

Used extensively in making ornamental carvings, beads, polished cabochons, and as a semi-precious gemstone.

Geological facts

Jasper has been utilized since ancient times for talismans, seals, and weaponry components across various civilizations.

Field identification & locations

Identified by its dense, opaque nature and conchoidal fracture, commonly found worldwide in alluvial deposits and hydrothermal veins.