Micro white bladed crystals less than 1 mm with clear, spheroidal
phillipsite
Origin: San Venanzo, Orvieto, Italy
Sample size: 3 x 3 x 2 cm
1 mm snow white crystals throughout vuggy matrix.
Origin: San Venanzo, Marsciano, Terni, Umbria, Italy (type locality)
Sample size: 5 x 4 x 1 cm
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