Mineralogy of Pennsylvania 1922-1965: Supplementing and Updating Gordon's the Mineralogy of Pennsylvania (1922)
Academy of Natural Sciences, 2008 - 140 pages
In 1922 Samuel Gordon¿s ¿The Mineralogy of PA¿ was pub. by the Acad. of Natural Sci. of Phila., & was later reprinted twice. The editing of the material incorp. in this updated vol. utilizes & brings up-to-date the more significant data bearing on mineral discoveries, occurrences & origin, & covers the period of pub. of a one-page column, ¿PA Minerals,¿ in the Keystone Newsletter, monthly journal of the Mineralogical Soc. of PA from 1962-1965. Contents: (1) Aims, & Contents; (2) Revised List of PA Minerals; (3) Descriptive Mineralogy of Newly Recorded Species; (4) New Data on Earlier Recorded Minerals: Minerals of Historical Interest; Minerals of Geochem. Interest; & Zeolites & Related Secondary Minerals; & (5) Index of PA Minerals & Mineral Localities. Illus.
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aggregates allanite alpha alteration aluminum silicate amphibolite amphibolite gneiss apophyllite Arthur Montgomery associated axinite basal Berks beryl best identified beta Beta-uranophane biaxial negative boltwoodite Carbon carnotite chemical Chester cleavage clinozoisite coatings collected color Composition A hydrated Cryptomelane crystal habit Crystallography Monoclinic Dana's System diabase discovered in Pennsylvania feldspar fibrous fluorescence fracture Friedensville Frondel gamma Gehman Geol gneiss Gordon Mineralogy grains granite pegmatites green Howie and Zussman hyalophane hydrothermal solutions intrusive Lafayette College lansfordite lanthanite Lehigh liebigite localities luster Mauch Chunk miles north Mineralogical Society Mineralogy of Pennsylvania molybdenite MSP Newsletter occurrence Optical properties pale pegmatites Pennsylvania Minerals Phila Philadelphia Precambrian prehnite prismatic prisms Properties Perfect quartz refractive indices rocks scheelite serpentine Society of Pennsylvania species Specific gravity specimens thorianite thorite thorium thorogummite tiny translucent typically U. S. Geological Survey uraninite uranium uranophane USGS Bull Williams quarry Wissahickon wolsendorfite wulfenite wurtzite x-ray diffraction x-ray diffraction pattern yellow zeolites zircon