 | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Fritz: Bergakademie Freiberg, Freiberg, Saxony, Germany. Donald B. Hoover: U.S.G.S., Federal Center, Lakewood...Institut fur Mineralogie, Ruhr Universitat Bochum, Germany. Duane Mellor: Geology Library, Yale University...Berlin, Germany. Peter Susse: MINABS, Inst. of Mineralogy, Univ. of Gottingen, Gottingen, Germany. C. Sheldon...Pennsylvania. Hans J. Wilke: Eppertshausen/Hessen, Germany. Wendell E. Wilson: The Mineralogical Record, Tuscon...France; Andreasberg, Freiberg(*), and Schneeberg(*), Germany; Pribram(*), Jachymov, and Schemnitz, Czech Republic; |  | | Book (edition) | | Lawsonite 65 Pumpellyite 68 Melilite group 72 75 Gehlenite, Melilite, Å kermanite 72 Beryl 76 Cordierite...Kilbeinsay basalt on the extension of the Mid-Atlantic ridge between Iceland and Jan Mayen. The extremely...above 850ºC it breaks down to wollastonite + gehlenite + anorthite. Andradite containing more than 90%...guest Melilite Group Gehlenite Åkermanite Ca2[Al2SiO7] Ca2[MgSi2O7] Gehlenite and Åkermanite o e...Colour Pleochroism Unit cell Special features Gehlenite Tetragonal () 1.669 1.658 0.011 3.07 56 Melilite |  | | Book | | Bergemann in 1858 from Johanngcorgenstadt, Saxony, Germany, and named by G. J. Adams in 1869. They were considered...activity occurred in the region, and vesicular basalt flows, ashes and tuffs, together with a few vents...•Deganwy Conwy• Penmaenmawr• + Trecastell mines,quarries,elc. HOLY ISLAND • villages,smalltowns e • ...kilchoanite 13lanarkite 14 leadhillite + mines,quarries,etc. • • villages,smalltowns • •Glenfarg e...sites) and others are potrntially dangerous (mines, quarries and some coastal locations). The conscientious |  | | Book | | Alberene and Old Dominion quarries, Albemarle County. In these two soapstone quarries, tabular ilmenite crystals...1970s and early 1980s the Portland Harbor Trust basalt quarry (now inactive) produced unusual specimens...augite and ilmenite rest on matrix of fine-grained basalt. The ilmenite crystals are lustrous black plates...6 X 1.8 x 2.8 cm (Pekov, 1994a). Malad-Kurar quarries, Mumbai [Bombay], Maharashtra. Ilvaite occurs...in the 1960s (Birch, 1999). IMITERITE EUROPE GERMANY Ramsbeck district, Nordrhein-Westfalen [Sauerland] |  | | Journal (issue) | | Poland HANS KEPPLER, Bayerisches Geoinstitut, Germany DAVID R. LENTZ, University of New Brunswick, Canada...sabbatical periods in Switzerland, France, and Germany, he has spent the rest of his career. He is now...She was also an Alexander von Humboldt Fellow in Germany, where she interacted with many European colleagues...postdoctoral appointments at UC Berkeley and GSI, Germany. His research interests include experimental and...including spinel (MgAl2O4 –FeAl2O4), melilite [gehlenite (Ca2Al2SiO7) to åkermanite (Ca2MgSi2O7)], perovskite |
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