LUDWIGITE
Source: 567
Lud″wig‐ite (?), n. [[Named after the chemist Ludwig.]] (Min.) A borate of iron and magnesia, occurring in fibrous masses of a blackish green color.
Source: 567
Lud″wig‐ite (?), n. [[Named after the chemist Ludwig.]] (Min.) A borate of iron and magnesia, occurring in fibrous masses of a blackish green color.