 | | Journal (article/letter/editorial) | | OCCURRENCE OF POLYMORPHOUS WURTZITE IN WESTERN PENNSYLVANIA AND EASTERN OHIO* Davru M. Soaua'N, Haraaril...Harurr-roN, V and'er Assrnecr cracks in Three new wurtzite-type polymorphs of ZnS have been found along shrinkage...Formation near Etna, Allegheny County, Pennsylvania' fifty square miles ite- H and wurtzite-6H, have been noted...horizon, one half mile northwest of Shelocta, Indiana county, Pennsylvania'alongU.S.Route422.Inhissearchforfossilsthejunior...crystals velopment. f" tn" belief that they might be wurtzite, several Wurtzwere sent to Dr. Frondel of Harvard |  | | Journal (article/letter/editorial) | | Recent Fossil Collecting in Western Pennsylvania Downloaded by [University of Calgary] at 01:38 06 August...locality visited was near Shelocta, Indiana county, Pennsylvania just off of route U.S. 422 about a quarter...Ronald N . Cibic, 427 - 3rd Street, Leechburg, Pennsylvania. I had first collected there on August 10, 1946...be two new polymorphous forms of wurtzite, wurtzite 4H and Wurtzite 6H which were described by Dr. Charles...clay-ironstone concretions yielded another new wurtzite polymorph, wurtzite 15R, to the writer in 1946 as well as |
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