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Faujasite-Na, phillipsite and offretite - Limberg quarries - Sasbach - Kaiserstuhl - Baden-Württemberg - Germany (TL) (#:MINS9165)

The surfaceof the vugs of this specimen are covered by several octahedrycal minicrystals of Faujasite-Na, a rare zeolite from the type locality.

Formula :
(Ca,Na2,Mg)2[Al2Si4O12]2 * 16 H2O

System: cubic Hardness:5 Rarity:rare
Strunz id:VIII/J.27-40 - SILICATES
Name origin: Named after Barthélemy Faujas de Saint-Fond (born in Montélimar on May 17th 1741; died on July 18th, 1819, in Saint-Fond), French geologist and writer on the origin of volcanoes. The Na-dominant member of the faujasite series.

Specimen weight:36 gr.
Crystal size:Up to 1 mm
Overall size: 48mm x 35 mm x 24 mm

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Faujasite-Na, phillipsite and offretite - Limberg quarries - Sasbach - Kaiserstuhl - Baden-Württemberg - Germany (TL)

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