 | | Book | | Découvrir les minéraux et les gemmes 6 Qu’est-ce qu’un minéral ?…………………………… 6 Comment identifier les minéraux...minéraux ?… …………… 17 Les gemmes… ……………………………………… 43 Les collections de minéraux et de gemmes… …… 55 Comment...forment les minéraux ?… ………… 61 Clé d’identification… ……………………………… 67 Reconnaître les minéraux et les gemmes...des pierres précieuses 28 L’Habit (ou l’aspect) Les minéraux montrent des morphologies variables suivant...complexes. Des grilles de classification Habits les plus fréquents Compact Granulaire Encroûté Botryoïdal |  | | Book (volume) | | cristalline (e quindi mi nerali: vedi calcite e aragonite, ecc.; vedi anche pag. 72). diorite, roccia verdastra...in diversi punti delle Alpi francesi (!sere ; Hautes Alpes). I campioni mineralogicamente piu interes...piombo-zinciferi ; da siderite, H>llin gite, bournonite, aragonite coralloide nei gia cimenti di ferro austriaci...stauro lite, danburite, baritina, celestina, aragonite, stronzianite, columbite, andalusite, anidrite...localita (generalmente fluorescente in rosso), l' aragonite della Val Malenco (fluorescente in bianco e fosfo |  | | Book | | even though they do contain fibrous crystals of aragonite secreted by the organisms. But there are exceptions...tightly packed spheres, there are layers of platy aragonite crystals in fossil ammonites, and the feldspar...mineral pigments. LEFT: Malachite, Bwana M’Kubwa Mine, Ndola, Copperbelt, Zambia * 22 x 26 x 16 cm 22...Namibia * 20 x 18 x 14 cm Bladed stibnite, Ichinokawa Mine, Saijo, Shikoku, Japan * 10 x 1 x 1 om Acicular...Brazil * 5 x 3 x 0.6 cm Platy muscovite, José Pinto Mine, Jaguaracu, Minas Gerais, Brazil * 12 x 19 x 6 cm |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO...Harding Co .. South Dakota. and at the Fuemrole No2 mine, Emery co .. Utah. Also at Menzenschwand Scbwarzwald...Freiberg, Germany, H Abernathyite, 12 mm, Ririera/, France, H Abhurite Sn2 /•O6'OH) 14Cl 1,, (3.D). Trigona]...mainly in crystals to 5 cm at the Himmelsftirst mine, Freiberg, both Saxony, Germany. In the subtropical |  | | Book | | K(U02)As04*3H20, Tet. Vitreous yellow. Fuemrole mine, Temple Mt., Emery Co., Utah, USA. H= 2-3, Djjj=...grey, bluish-grey, yellow, light green. Langban mine, Filipstad (near), Varmland, Sweden. H= 5, Djjj=3...5As30ig, E Rhom. Translucent blue-green. Terres mine, St. Ausdell, Cornwall, England and/or Johanngeorgenstadt...804)3 •nH20, ® Hex. Transparent bluish. Lapis-lazuli mine, Sar-e-Sang, Badakshan, Afghanistan. H= 5.5-6, Djj4=...*21120, Mon. Vitreous colorless, white. Dutoitspan mine, Kimberley, South Africa. H= 4.5, Djjj= 2.630, D( |  | | Journal (issue) | | CZECHOSLOVAKIA, D E N M A R K , F I N L A N D , FRANCE, G E R M A N Y, INDIA, ISRAEL. I TA LY, J A PA...Normale Superieure, 46 Rue d'Ulm, 75005 Paris. France: PROF. DR. K. von GEHLEN. Inst. far Geochemie Petrologie... Irifune, T. (T.I.), Japan Lagache, M. (M.L.), France Lindqvist, B. (B.L.), Sweden Love, L.G. (L.G.L...90M/0244 Fox, J. S., 90M/0245 Fox, L E., 90M/0719 France-Lanord, C., 90M/1003 Francheteau, J., 90M/0221...n prospeccion geoquimica en redes de drenaje en les Gatarres (Girona). M . Viladevall Sole. R . Vaguer |
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Les Cougnasses mine, Orpierre, Gap, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France