HISINGERITE
Source: 567
His″ing‐er‐ite (?), n. [[Named after W. Hisinger, a Swedish mineralogist.]] (Min.) A soft black, iron ore, nearly earthy, a hydrous silicate of iron.
Source: 567
His″ing‐er‐ite (?), n. [[Named after W. Hisinger, a Swedish mineralogist.]] (Min.) A soft black, iron ore, nearly earthy, a hydrous silicate of iron.