WARWICKITE
Source: 567
War″wick‐ite (?), n. (Min.) A dark brown or black mineral, occurring in prismatic crystals imbedded in limestone near Warwick, New York. It consists of the borate and titanate of magnesia and iron.
Source: 567
War″wick‐ite (?), n. (Min.) A dark brown or black mineral, occurring in prismatic crystals imbedded in limestone near Warwick, New York. It consists of the borate and titanate of magnesia and iron.