Natrolite : Na2Al2Si3O10·2H2O
Tacharanite : Ca12Al2Si18O33 (OH)36
Mindat locality:
12cm x 8cm
Photo added to mindat.org
“Natrolite as soft balls of acicular crystals in a vug of palagonite
Zeolite's collection of Ferdinando Giovine ex coll Michele Contucci”
Ferdinando Giovine - 5th June 2020
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