| Domain | Definition | ||
| Mining | An orthorhombic mineral, NaBeSi3 O7 (OH) ; dimorphous with eudidymite; forms colorless tabular crystals in nepheline-syenite pegmatites with albite, elpidite, and analcime at Mont St. Hilare, PQ,Canada; Narsarsuk, Greenland; and Langesundfjord, Norway. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
