Gemmology
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Zircon — specimen 0519, photo © NMNHS
Zircon — specimen 0519, photo © NMNHS

Zirconspecimen 0519

Origin

Southeast Asia
Cambodia
Zircon — specimen 0519, locality map
Data

Weight: 0.70 ct; size: 5.08 | 5.06 | 3.03 mm; shape: octagon; colour: colourless; clarity: eye clean; cut: excellent; treatment: heating.
Notes

Very clean specimen; design ‘Single Cut’ by Norman W. Steele, excellent cut by Tan Pen.

Other specimens
Zircon — specimen 0145Zircon — specimen 0212Zircon — specimen 0595Zircon — specimen 0596Zircon — specimen 0630Zircon — specimen 0521

More information from ‘Classification’


An accessory mineral in igneous and metamorphic rocks, with crystals reaching large size in mafic pegmatites and carbonatites; in sedimentary rocks and alluvial sands (Anthony et al., 2001—2005).