Gemmology
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Natrolite — specimen 0588, photo © NMNHS
Natrolite — specimen 0588, photo © NMNHS

Natrolitespecimen 0588

Origin

North America
USA, New Jersey, Somerset County, Bound Brook
Natrolite — specimen 0588, locality map
Data

Weight: 1.03 ct; size: 9.08 | 4.90 | 3.82 mm; shape: octagon; colour: colourless; clarity: eye clean; cut: very good; treatment: none.
Notes

Very clean specimen; very good step cut style. Recut by Multicolour Gems Ltd.

More information from ‘Classification’


In cavities in basalts and related igneous rocks; fills seams in granite, gneiss, and syenite (Anthony et al., 2001—2005). Faceted specimens are very rare.