Jasper — specimen 0600, photo © NMNHS
USA, Idaho, Owyhee County, Bruneau
Weight: 18.55 ct; size: 26.82 | 15.54 | 4.13 mm; shape: freeform; colour: dark red; clarity: opaque; cut: excellent; treatment: none.
Clean specimen; excellent cabochon style cut by Nathan Christensen, Lincoln, Nebraska.
More information from ‘Classification’
A dense, opaque, microcrystalline variety of chalcedony; usually red, brown or yellow and coloured by oxides of iron.