Gemmology
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K9 glass [synthetics] — specimen S-008, photo © NMNHS
K9 glass [synthetics] — specimen S-008, photo © NMNHS

K9 glass [synthetics]specimen S-008

Data

Weight: 90.97 ct; size: 30.51 | 30.50 | 20.68 mm; shape: round; colour: medium green-blue or blue-green; very slightly greyish; clarity: eye clean; cut: good.


Notes

Big, very clean specimen; commercial cut; good polish.

More information from ‘Classification’


A Chinese optically clear borosilicate glass; contains 9% of lead.