Faujasite Subgroup : M3.5[Al7Si17O48]·32H2O
30mm x 25mm x 20mm
Mineral(s)
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“Faujasite-twin showing twice twinning after the spinel-law. Size of crystal ca. 1 mm. Zeolite Collection of Volker Betz. Most likely a Faujasite-Na but not analysed.”
Volker Betz - 8th December 2007
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Volker Betz - 28th June 2011
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“Faujasite-twin showing twice twinning after the spinel-law. Size of crystal ca. 1 mm. Zeolite Collection of Volker Betz. Most likely a faujasite-Na but not analysed.”
Volker Betz - 28th April 2024
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