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

Jasper

Microcrystalline Quartz (SiO2)

AI-generated identification · may be incorrect

Hardness of 6.5 to 7 on the Mohs scale, opaque luster, red to brown coloration due to iron inclusions, and a conchoidal fracture.

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Physical properties

Hardness of 6.5 to 7 on the Mohs scale, opaque luster, red to brown coloration due to iron inclusions, and a conchoidal fracture.

Formation & geological history

Forms through the deposition of silica-rich fluids in sedimentary basins or volcanic environments over millions of years.

Uses & applications

Commonly used in ornamental carvings, cabochons, jewelry, and polished display specimens.

Geological facts

Jasper has been utilized by ancient civilizations for tools, seals, and amulets since the Neolithic period.

Field identification & locations

Easily identified by its opaque nature and rich earthy colors; found worldwide in riverbeds and mountainous regions.