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USA | |
| Dunn, Pete J. (1995) Franklin and Sterling Hill, New Jersey: The world's most magnificent mineral deposits Vol. 5. The Franklin-Ogdensburg Mineralogical Society. |
| Carlson, Ernest H. (2015) Minerals of Ohio. Bulletin 69 (2nd ed.) Ohio Division of Geological Survey |
| Gold, D. P. (2006, October). Skytop: a Case History of Highway Construction Through a Sulfide Vein Deposit in Centre Country, Pennsylvania. In 2006 Philadelphia Annual Meeting. |
| Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the Pennsylvania List 1965-1974, The Mineralogical Society of PA, Inc.: 46-47 Finkelman, Robert B., et al (1974), "O Barnes, John H. (1973), "Three New Minerals for PA," PA Geol., Vol. 4(4):31 |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R.V. (1985) Lone Jack Quarry, Rockbridge County, Virginia. Rocks & Minerals: 60(4): 157-163. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA