mineral

Small reddish-brown stone, likely jasper or iron-stained quartz

Undetermined; possible microcrystalline quartz (SiO₂) with iron-oxide staining

AI-generated identification · may be incorrect

Small, rounded, opaque reddish-brown specimen with a dull to slightly waxy surface. If jasper/quartz, hardness is about 6.5–7 Mohs; crystal structure is too fine-grained to see in the image.

Identified October 6, 2026More mineral →

Explore Small reddish-brown stone, likely jasper or iron-stained quartz in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

Physical properties

Small, rounded, opaque reddish-brown specimen with a dull to slightly waxy surface. If jasper/quartz, hardness is about 6.5–7 Mohs; crystal structure is too fine-grained to see in the image.

Formation & geological history

The photo does not show enough detail for a definitive identification. Jasper forms when silica-rich material consolidates, often colored by iron oxides; its age and specific formation environment cannot be determined visually.

Uses & applications

If confirmed as jasper, it may be polished for jewelry, ornaments, or collecting; this specimen appears too small and unremarkable for significant commercial use.

Geological facts

Red and brown hues in many jasper varieties come from iron-bearing minerals. A scratch or streak test and close inspection of a freshly broken surface would help distinguish it from other stones.

Field identification & locations

Check for a glassy or waxy fracture and whether it scratches glass; avoid destructive tests on a valued specimen. Jasper and iron-stained quartz occur worldwide, but the pictured stone cannot be localized.