Rock Identifier
Red Jasper (Microcrystalline Quartz (SiO2)) — sedimentary
sedimentary

Red Jasper

Microcrystalline Quartz (SiO2)

AI-generated identification · may be incorrect

Hardness of 6.5 to 7 on the Mohs scale, opaque red to reddish-brown color, vitreous to dull luster, and microcrystalline or cryptocrystalline crystal structure.

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Physical properties

Hardness of 6.5 to 7 on the Mohs scale, opaque red to reddish-brown color, vitreous to dull luster, and microcrystalline or cryptocrystalline crystal structure.

Formation & geological history

Formed from silica-rich solutions precipitating in sedimentary or volcanic environments, often containing iron oxide impurities that create its distinct red color.

Uses & applications

Widely used for making polished cabochons, beads, small sculptures, and ornamental stone items in jewelry and lapidary work.

Geological facts

Red jasper has been used since ancient times for talismans and seals, revered by various cultures for its purported grounding energies.

Field identification & locations

Easily identified by its deep red color, conchoidal fracture, and lack of visible crystal grains; commonly found in riverbeds and mountainous regions worldwide.