| Webster's Online Dictionary |
| Domain | Definition | ||
| Mining | An orthorhombic mineral, Ca (UO2)6 O4 (OH)6.8H2 O, with barium and potassium substitution for calcium; amber-yellow; a radioactive product of uraninite and ianthinite alteration. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||