Analcime

Analcime NaAlSi₂O₂· H₂O, with Quartz, Keweenaw CO., Michigan

Analcime NaAlSi₂O₂· H₂O, with Quartz, Ojibway Mine, Keweenaw CO., Michigan

Analcime NaAlSi₂O₂· H₂O, Ojibway Mine, Keweenaw CO., Michigan