 | | Book (volume) | | LibraiPie Jacques LECHEVAIIER 12 Kue de Toumon PARIS VI BIBLIOTHEEK 7 7496 00027427 2 NATIONAAL NATUURHlSTOftlSCH... MINERALOGIE DE LA FRANCE MACON PROTAT FRERES, IMPRIMEURS y/> LACROIX A. Membre de rinslitui...Professeur de Minéralogie au Muséum d’histoire naturelle MINÉRALOGIE DE LA FRANCE ET DE SES COLONIES...CHIMIQUE DES MINÉRAUX: ÉTUDE DES CONDITIONS GÉOLOGIQUES DE LEURS GISEMENTS TOME TROISIÈME PARIS librairie...ÉDITEUR SUCCESSEUU DE UAÜURY ET 15, MAISON A C‘* RDE DES SAINTS-PÈRES, 15 I.IÈGE, RUE DE LA 1901-1909 |  | | Journal (article/letter/editorial) | | temperature origin: tridymite (triclinic) and cristobalite. However, both minerals occur commonly as constituents...commonly consists of disordered intergrowths of cristobalite and tridymite, later named as opal-CT [17]....added as a name for specimens that contain only cristobalite ordering [18–22]. In the absence of X-Ray diffraction...1890 to describe chalcedony-like material from Lussat, France [23]. 2.1. Amorphous Opal The terminology of...develop lattice structures representative of cristobalite and/or tridymite. These forms, known as opal-C |  | | Book (volume) | | 270 CRISTOBALITE High-Cristobalite 273 273 Structure, 273 Properties, 276 Low-Cristobalite 276 ...Hexagonal Hexagonal: (stable 870-1470°) Low-cristobalite Below 200° Hexagonal-P; trigonal trapezohedral...Tetragonal; tetragonal trapezohedral (?) High-cristobalite Keatite 200-1720° (stable 1470-1720”) Metastable...quartz, was described by vom Rath in 1868, and cristobalite was described by him in 1884. Both substances...called high-, middle-, and low-tridymite, and cristobalite has been found to include two related polymorphs |  | | Book (edition) | | "Dana's System of Mineralogy•· ( 1944, I 951, 1962). de Fourestier (1999) and Strunz and Nickel (2001). Mi11eral...ASG -Archives de Science Geneve BM - Bulletin de la Societe fram;aise de mineralogie et de cristallographie...Freiberg, Germany, H Abernathyite, 12 mm, Ririera/, France, H Abhurite Sn2 /•O6'OH) 14Cl 1,, (3.D). Trigona]...luster metallic. H =2.5. Magnetic. Rare in the Cerro de Cacheuta di~t.. Mendoza prov.,Argentina. NJbMM 279...St-Hilaire,Quebec. Narssarssuk,Greenland, in the Sierra de Monchique, CM 38.1457-1466. 2000. Faro, Portugal |  | | Book (edition) | | Milan: ci1ed by I. von Born ( 1 790) Car. Foss. E. de Raab 1 . 142 (Adulairc). A more completely ordered...Data on new occurrence al Saint Pandclon. Landes. France. by B. Azambre and P. Monchoux ( 1 988) 8111/....by A . Des Cloizcaux ( 1 884) 8111/. Soc. Min. France, 1. 72. proved to carry two minerals. a manganiferous... 1 3 A . Z= l 6 [PDF 25-630) . (TI..) Margnac. France. Named for H . Agrin icr. Agstein. syn. of amber...Aigue-marinc. syn. of aquamarine. R. de Lisle ( 1 772) Essai de Cristallographie, p. 1 35. Aigyrin. syn |
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