sedimentary
Yellow Jasper
Microcrystalline Quartz (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, opaque yellow color, waxy to vitreous luster, and a conchoidal fracture.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, opaque yellow color, waxy to vitreous luster, and a conchoidal fracture.
Formation & geological history
Formed via the precipitation of silica-rich fluids in sedimentary environments or ancient marine basins over millions of years.
Uses & applications
Commonly used in cabochons, beads, ornamental carvings, and lapidary collections.
Geological facts
Jasper has been used since ancient times for talismans, seals, and decorative weaponry by various civilizations.
Field identification & locations
Identified by its distinctive opacity, lack of cleavage, and vibrant yellow coloration; widely found in riverbeds and mountainous regions globally.
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