Banded red Jasper (var. Chalcedony) with Quartz3D ModelNoAI
Locality: Kalahari Desert, South Africa
No.: 5070
Size: 14 cm x 12 cm x 6 cm
Formula: SiO2
Description: Jasper is an opaque form of Chalcedony, which is a microcrystalline variety of the mineral Quartz. It often contains an abundance of impurities, and therefore some regard it as a rock instead of a mineral. Jasper is usually associated with brown, yellow, or reddish colors, but may be used to describe other opaque colors of Chalcedony such as dark or mottled green and orange. Some forms of Jasper are banded, and these banded Jaspers may appear similar to Agate, but unlike Agate they are opaque. When Jasper is dull and lacking interesting colors or patterns, it is not Jasper but rather Chert. A poorly defined lapidary name for a red (due to hematite inclusions) to variably coloured chalcedony. Discontinuous quartz lenses are present in the jasper.
Website: http://geology.uaic.ro/muzee/mineralogie/
Concept & 3D-modelling by dr. Andrei Ionut APOPEI
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