metamorphic
Polished red jasper mushroom carving
Jasper, microcrystalline quartz (SiO₂), colored chiefly by iron oxides
AI-generated identification · may be incorrectHardness about 6.5–7 Mohs; opaque reddish-brown with gray patches, vitreous to waxy luster, cryptocrystalline structure, no visible cleavage, and specific gravity around 2.5–2.7. The mushroom shape and high polish indicate a carved, human-processed specimen.
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Physical properties
Hardness about 6.5–7 Mohs; opaque reddish-brown with gray patches, vitreous to waxy luster, cryptocrystalline structure, no visible cleavage, and specific gravity around 2.5–2.7. The mushroom shape and high polish indicate a carved, human-processed specimen.
Formation & geological history
Jasper forms when silica-rich fluids cement or replace fine sediments and volcanic material, with iron oxides producing red coloration; deposits range from Precambrian to younger ages. This piece was subsequently cut and polished.
Uses & applications
Used for cabochons, beads, carvings, ornamental objects, and metaphysical collections; it has little industrial or construction use in this small form.
Geological facts
Jasper is a variety of opaque chalcedony/microcrystalline quartz and may show brecciated, orbicular, picture, or scenic patterns. The carving is decorative rather than a natural crystal form.
Field identification & locations
Identify it by its opaque red-brown color, glassy polish, lack of cleavage, and ability to scratch ordinary glass; avoid confusing it with dyed resin or glass. Common sources include India, Madagascar, Brazil, Australia, and the United States.
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