Thomsonite-Ca : NaCa2[Al5Si5O20]·6H2O
Natrolite : Na2Al2Si3O10·2H2O
Photo added to mindat.org
“Radial thomsonite surrounded by natrolite.
Rui Nunes' specimen and photo, 2005.”
Rui Nunes - 28th November 2005
Photo added to mindat.org
“Picture width ~ 45 mm.
Rui Nunes' specimen and photo, 2005.”
Rui Nunes - 23rd April 2017
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