Heulandite Subgroup
Specimen ID: MNV-YK6
Heulandite Subgroup : (Na/Ca/K)5-6[Al8-9 Si27-28 O72]· nH2O
Photo added to mindat.org
“Well crystallized Heulandite in perfect, white-yellowish up to 8 mm crystals in granite matrix. 8x6 mm the field in photo. From an old collection, in my personal Elba suite. Photo Simone Citon. ”
Simone Citon - 3rd November 2009
Photo added to mindat.org
“Well crystallized Heulandite in perfect, white-yellowish up to 8 mm crystals in granite matrix. 8x6 mm the field in photo. From an old collection, in my personal Elba suite. Photo Simone Citon. ”
Simone Citon - 3rd November 2009
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