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USA | |
| Mineralogical Record, 40:511-524 |
| 59:157-183, Peters, Joseph J. (1984) Rocks & Min.: 15:111-115 (1940), Sachs Mins. of NYC & Its Environs, NY Min. Club (1931), Manchester, J.G. Min. Collector: 15:113-118 (1908), Papke 19:306-309 |
| Hoadley (1923) June 14 meeting of the Phila. Min. Soc. |
| Betts, John (n.d.) John Betts website listing. |
| Specimens collected by Andrew Kruegel |
| Mason, B., 1960, Trap Rock Minerals of New Jersey |
| NJ Geol. Survey Bull. #64, Trap Rock Minerals of NJ, Mason, B. (1960). |
| Rocks & Min.: 59:157-183, Peters, J.J. (1984) NJ Geol. Survey Bull. #64, Trap Rock Mins of NJ, Mason, B. (1960) Min. Collector 15: 113-118, Papke, H. (1908) Ref.: Mineral Collector: 2:138-139, Ehrman, A.H. (1895) |
| Rocks & Min.: 59:157-183 (1984), Peters, J.J. Lapidary Jour.: 32:1700-1720, Mins. of the Watchungs, Part II, Vitali, G. (1978) Peters, Thomas A., Peters, Joseph J. (1978) Famous Mineral Localities: Paterson, New Jersey. The Mineralogical Record, 9 (3) 157-179 NJ Geol. Survey Bull. #64, Trap Rock Mins. of NJ, Mason, B. (1960) Rocks & Minerals 80:4 pp234-241 |
| Rocks & Min.: 18:105. |
Upper New Street Quarry, Paterson, Passaic County, New Jersey, USA