Gemmology
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Rock crystal — specimen 0680, photo © NMNHS
Rock crystal — specimen 0680, photo © NMNHS

Rock crystalspecimen 0680

Origin

Europe
Bulgaria, Kardzhali, Krumovgrad, East Rhodope Mts, Yaraklitepe, 41.50262°N 25.644925°E, 444 m
Rock crystal — specimen 0680, locality map
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
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More information from ‘Classification’


A transparent colourless variety of quartz.