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

Jasper Beads

Microcrystalline Quartz (SiO2)

Hardness of 6.5 to 7 on the Mohs scale, earthy to vitreous luster, opaque transparency, conchoidal fracture, and varied reddish-brown to beige colors.

Identified More sedimentary
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Physical properties

Hardness of 6.5 to 7 on the Mohs scale, earthy to vitreous luster, opaque transparency, conchoidal fracture, and varied reddish-brown to beige colors.

Formation & geological history

Formed from silica-rich fluids precipitating in sedimentary environments or volcanic ash beds over millions of years.

Uses & applications

Used primarily for jewelry making, beading, and ornamental carvings.

Geological facts

Jasper has been used since ancient times for talismans, seals, and weaponry due to its durability and attractive patterns.

Field identification & locations

Identified by its opaque nature, hardness, and lack of cleavage. Often found in riverbeds and mountainous regions worldwide.