| Domain | Definition | ||
| Mining | 1: An orthorhombic mineral, FeSe2; marcasite group; occurs with chalcopyrite and pyrite as a cement in sandstones in the Tuva, Siberia, Russia. (references) | 2: An orthorhombic mineral, FeSe2 ; marcasite group; occurs with chalcopyrite and pyrite as a cement in sandstones in the Tuva, Siberia,Russia. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
