sedimentary
Polished Jasper Cabochons
Microcrystalline quartz (SiO2)
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, vitreous to dull luster, opaque, and exhibits conchoidal fracture.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, vitreous to dull luster, opaque, and exhibits conchoidal fracture.
Formation & geological history
Formed through the silification of sedimentary or volcanic deposits rich in silica over millions of years.
Uses & applications
Extensively cut and polished into cabochons for jewelry, ornamental carvings, and lapidary collections.
Geological facts
Jasper has been used since ancient times for amulets, seals, and weaponry by civilizations worldwide.
Field identification & locations
Identified by its rich, varied earth-tone patterns and lack of cleavage; found globally in ancient riverbeds and volcanic regions.
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