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Definition of pisanite in English:

pisanite

Pronunciation /pɪˈzanʌɪt/

noun

Mineralogy

  • A mineral which consists of a hydrated sulphate of iron and copper, (Fe,Cu)SO₄.7H₂ O, and is a cuprian variety of melanterite occurring as bluish crystals.

Origin

Mid 19th century; earliest use found in American Journal of Science. From German Pisanit from the name of F. Pisani, who described the mineral + -it.