Rock Identifier
Yellow Jasper (Microcrystalline quartz (SiO2)) — sedimentary
sedimentary

Yellow Jasper

Microcrystalline quartz (SiO2)

AI-generated identification · may be incorrect

Hardness of 6.5 to 7 on the Mohs scale, opaque yellow to brownish-yellow color, vitreous to dull luster, and trigonal crystal system.

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Physical properties

Hardness of 6.5 to 7 on the Mohs scale, opaque yellow to brownish-yellow color, vitreous to dull luster, and trigonal crystal system.

Formation & geological history

Formed by the consolidation of silica-rich sediments or volcanic ash in marine environments, often dating back to the Precambrian or Paleozoic eras.

Uses & applications

Widely used in ornamental carvings, polished palm stones, lapidary art, and metaphysical crystal collections.

Geological facts

Yellow jasper has been utilized since ancient times for talismans and amulets due to its association with protective and grounding energies.

Field identification & locations

Identify in the field by its distinct yellow coloration, microcrystalline texture, and conchoidal fracture. Commonly found in riverbeds and mountainous regions globally.