mineral

Red jasper, likely a polished or coated stone

Jasper, an opaque microcrystalline variety of quartz (SiO₂); exact identification is uncertain from the image

AI-generated identification · may be incorrect

Bright red-orange, opaque, smooth and glossy surface, with a pale streak or marking; quartz has Mohs hardness 7 and trigonal crystal structure. The apparent blue-gray rim may be coating or another material, so luster and cleavage cannot be confirmed visually.

Identified October 11, 2026More mineral →

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Physical properties

Formation & geological history

Jasper forms when silica-rich fluids fill cavities or replace rock, with iron oxides producing red color. Its age depends on the host deposit and cannot be determined from the image.

Uses & applications

Used for beads, cabochons, ornaments, and lapidary collecting; not typically used as a construction stone.

Geological facts

Jasper is a trade name for opaque, patterned chalcedony rather than a single distinct mineral species.

Field identification & locations

The vivid red color and polish are consistent with jasper, but the specimen could be dyed or coated; inspect a fresh, uncoated surface and test hardness for confirmation. Jasper occurs worldwide, including Brazil, India, Australia, and the western United States.