| Domain | Definition | ||
| Mining | A possibly orthorhombic mineral, Fe23 (Mo6 O 4 )3 .8H (sub 2) O ; forms yellow earthy powder, incrustation, or silky, fibrous, and radiating crystals from reaction of pyrite with molybdenite under supergene conditions; relatively common in porphyry copper deposits of Southwestern United States in old mine dumps withjarosite and goethite. Syn:molybdic ocher; iron molybdate; molybdite. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
