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Rock crystal
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Rock crystal — specimen 0303, photo © NMNHS
Rock crystal
—
specimen 0303
Origin
no precise locality [Africa]
Data
Weight:
1.85 ct;
size:
8.82 | 7.38 | 5.49 mm;
shape:
hexagon;
colour:
colourless;
clarity:
eye clean;
cut:
excellent;
treatment:
none.
Notes
Very clean specimen; design ‘Hexaelongatis 2’, excellent cut by Tan Pen.
Other specimens
More specimens
More information from ‘Classification’
Rock crystal
A transparent colourless variety of quartz.
Gemmology — gemstones
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