Rock Identifier
Mookite Jasper (Silicified radiolarian ooze (SiO2)) — sedimentary
sedimentary

Mookite Jasper

Silicified radiolarian ooze (SiO2)

AI-generated identification · may be incorrect

Hardness of 6-7 on the Mohs scale, vibrant multicolor banding including red, yellow, mauve, and white, vitreous to dull luster, and microcrystalline quartz structure.

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Physical properties

Hardness of 6-7 on the Mohs scale, vibrant multicolor banding including red, yellow, mauve, and white, vitreous to dull luster, and microcrystalline quartz structure.

Formation & geological history

Formed during the Cretaceous period from the accumulation of skeletal remains of radiolaria in marine environments, later silica-replaced.

Uses & applications

Primarily used for lapidary work, cabochons, ornamental carvings, and collector jewelry.

Geological facts

Mookite is exclusively found in Australia, specifically in the Mooka Creek area of the Kennedy Ranges in Western Australia.

Field identification & locations

Identify by its distinct multicolored pastel and earthy banding with a smooth, porcelain-like fracture. Sourced strictly from Western Australia.