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Natrolite — specimens [gallery view]


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.
Natrolite — specimen 0588
0588
USA

Natrolite — specimens — 1
Page 1


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.