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Amblygonite — specimen 0435, photo © NMNHS
Amblygonite — specimen 0435, photo © NMNHS

Amblygonite — specimen 0435

Origin

South America
Brazil
Amblygonite — specimen 0435, locality map
Data

Weight: 0.23 ct; size: 4.02 | 3.52 | 2.66 mm; shape: hexagon; colour: medium light green; slightly greyish; clarity: eye clean; cut: excellent; treatment: none.
Notes

Very clean specimen; design ‘Hexamixtum S 41-32’, excellent cut by Tan Pen.

Other specimens
Amblygonite — specimen 0479

More information from ‘Classification’

Amblygonite

An uncommon accessory mineral in zoned granite pegmatites; in high-temperature tin veins (Anthony et al., 2001—2005). Faceted specimens are relatively rare.


Gemmology — gemstones
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The specimens illustrated in this site do not exist in the collections of the National Museum of Natural History, Sofia.