| References: | Lapidary Jour.: 32:1700-1720, Mins. of the Watchungs, Part II, Vitali, G. (1978); NJ Geol. Survey Bull. #64, Trap Rock Mins. of NJ, Mason, B. (1960); Min. Rec.: 9:157-179., Peters, T.A. & Peters, J.J. (1978); Rocks & Min.: 59:157-183 (1984), Peters, J.J. |