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Zircon
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Zircon — specimen 0630, photo © NMNHS
Zircon
—
specimen 0630
Origin
Southeast Asia
Cambodia
Data
Weight:
0.56 ct;
size:
5.41 | 4.72 | 2.82 mm;
shape:
hexagon;
colour:
colourless;
clarity:
slightly included;
cut:
excellent;
treatment:
heating.
Notes
Slightly included specimen; design ‘Hexamixtum S 41-32’, excellent cut by Tan Pen.
Other specimens
More information from ‘Classification’
Zircon
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
).
Gemmology — gemstones
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