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Rock crystal — specimen 0680, photo © NMNHS
Rock crystal
—
specimen 0680
Origin
Europe
Bulgaria, Kardzhali, Krumovgrad, East Rhodope Mts, Yaraklitepe, 41.50262°N 25.644925°E, 444 m
Data
Weight:
0.13 ct;
size:
3.65 | 3.19 | 2.42 mm;
shape:
hexagon;
colour:
colourless;
clarity:
eye clean;
cut:
excellent;
treatment:
none.
Notes
Very clean specimen; design ‘Hexamixtum S 41-32’ [pavilion angle changed to 45.00], 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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