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Actinolite — specimen 0261, photo © NMNHS
Actinolite — specimen 0261, photo © NMNHS

Actinolite — specimen 0261

Origin

East Africa
Tanzania
Actinolite — specimen 0261, locality map
Data

Weight: 0.96 ct; size: 6.58 | 6.48 | 2.76 mm; shape: round; colour: medium yellowish green; slightly greyish; clarity: translucent; cut: fair; treatment: none.
Notes

Clean specimen; cabochon style cut with cat’s eye effect.

Other specimens
Actinolite — specimen 0260Actinolite — specimen 0075

More information from ‘Classification’

Actinolite

Produced by regional or contact metamorphism of magnesium carbonate, mafic, or ultramafic rocks (Anthony et al., 2001—2005). Faceted specimens are extremely rare.


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