Smoky quartz — specimen 0362, photo © NMNHS
Smoky quartz — specimen 0362
Weight: 38.04 ct; size: 25.62 | 20.06 | 13.01 mm; shape: oval; colour: dark reddish orange; clarity: eye clean; cut: fair; treatment: none.
Very clean specimen; mixed style cut.
More information from ‘Classification’
Smoky-grey, brown to black quartz coloured by Al-based and irradiation-induced colour centres.