Yacolt, at Wolf Point and various other sites around Mt. St. Helens, and at various sites in the Capitol...included in the zeolite group. Two of these, Direnzoite and Florkeite, are hydrated aluminum silicates...Mazzite-Mg Type locality: Mont Semiol, Chatelneuf, Loire, France Other localities: Michelnau Basalt Works, Nidda...structures, Can. Min. 48, 255-266, (2010). 6 Direnzoite Na K6 Mg Ca2 (Al13 S47 O120) . 36 H2O. Named...Chimie de Montpellier, France. Type locality: Mt. Peylenc, Haute-Loire, France. Structure Crystal System: |