mallardite (malardit)

[Named after E. Mallard, a French mineralogist.] A hydrous sulphate of manganese occurring in fibrous crystalline ma es: found in Utah. malleability (mal"ē-a-bil'i-ti), n. [=F. mallé abilité = Sp. maleabilidad = Pg. malleabilidade = It. malleabilità; as malleable + -ity.] property of being malleable; capability of being shaped or permanently extended by pre ure, as by hammering or rolling, without losing coherence or continuity; the property of being susceptible of extension by beating or rolling. The The malleability of bra varies with its composition and with its temperature. Spons ' Encyc . Manuf ., I. 321.