Rock crystal — specimen 0379, photo © NMNHS
Rock crystal — specimen 0379
no precise locality [Africa]
Weight: 5.21 ct; size: 10.64 | 10.45 | 8.14 mm; shape: round; colour: medium light greenish yellow; strong; clarity: eye clean; cut: fair; treatment: irradiation.
Very clean specimen; mixed style cut with large window.
More information from ‘Classification’
A transparent colourless variety of quartz.