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Jasper is a dense, fine-grained sedimentary mineral. It gets its colour from red, brown and black oxides of manganese and other minerals. Jaspers can be uniform in colour or have a riband (striped), striated, orbicular (containing "eyes") or other pattern. In the Urals experts distinguish over 200 types of jasper that take their names from the places where they occur. Urazovo jasper ("meat agate") is dark red with white patches and veins. Thin pieces of the mineral are translucent, making it resemble agate. |
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