. "\u0160tevko, Martin" . . "5"^^ . . "krutovite; nickeline; galena; chemical composition; Dob\u0161in\u00E1; western Carpathians; Slovak Republic"@en . . . "Krutovit a sprievodn\u00E9 miner\u00E1ly z lokality Dob\u0161in\u00E1-Teliatko (Slovensk\u00E1 republika)" . . . . . "http://www.nm.cz/publikace/archiv.php?id=13&rok=21&kcislu=1&f_=Zobrazit" . "83818" . . "Litochleb, Ji\u0159\u00ED" . . "Macek, Ivo" . "V opustenom serpentinitovo-azbestovom lome pri Dob\u0161inej, Slovensk\u00E1 republika, bola zisten\u00E1 zauj\u00EDmav\u00E1 hydroterm\u00E1lna rudn\u00E1 mineraliz\u00E1cia. Je reprezentovan\u00E1 \u0161o\u0161ovkovitou, takmer subhorizont\u00E1lnou \u017Eilou, ktor\u00E1 je maxim\u00E1lne 15 cm hrub\u00E1 a viac ako 2 m dlh\u00E1 a je vyvinut\u00E1 na kontakte medzi serpentinitov\u00FDmi brekciami a v\u00E1pencami. Hlavn\u00E9 \u017Eiln\u00E9 miner\u00E1ly s\u00FA kreme\u0148 a kalcit. Naj\u010Dastej\u0161\u00ED rudn\u00FD miner\u00E1l je nikel\u00EDn, ktor\u00FD asociuje spolu s krutovitom a galenitom. Prim\u00E1rne rudn\u00E9 miner\u00E1ly s\u00FA \u010Dasto zatl\u00E1\u010Dan\u00E9 s\u00FDtozelen\u00FDmi agreg\u00E1tmi superg\u00E9nnych Ni-silik\u00E1tov a mimetitom. Krutovit tvor\u00ED kovov\u00E9, sivobiele individu\u00E1lne zrn\u00E1, kolomorfn\u00E9 agreg\u00E1ty do 5 mm v kreme\u0148ovo-Ni-silik\u00E1tovej mase alebo mikroskopick\u00E9 z\u00F3ny v agreg\u00E1toch star\u0161ieho nikel\u00EDnu. Jeho spresnen\u00E9 mrie\u017Ekov\u00E9 parametre s\u00FA: a = 5.8131(8) \u00C5 a V = 196.43(9) \u00C53. Chemick\u00E9 zlo\u017Eenie krutovitu je bl\u00EDzke teoretick\u00E9mu koncov\u00E9mu \u010Dlenu a zisten\u00E9 boli len minoritn\u00E9 obsahy Cu (do 0.009 apfu), Hg (do 0.002 apfu), Sb (do 0.004 apfu), S (do 0.047 apfu) a Se (do 0.014 apfu). Nikel\u00EDn sa vyskytuje ako kovov\u00E9, medeno\u010Derven\u00E9 nepravideln\u00E9 zrn\u00E1 a agreg\u00E1ty do 2 cm alebo \u017Eilky s d\u013Akou do 8 cm a hr\u00FAbkou do 1 cm, ktor\u00E9 s\u00FA vrasten\u00E9 v kreme\u0148ovo-kalcitovej \u017Eilovine a s\u00FA \u010Dasto intenz\u00EDvne zatl\u00E1\u010Dan\u00E9 zelen\u00FDmi superg\u00E9nnymi Ni-silik\u00E1tmi. Jeho spresnen\u00E9 mrie\u017Ekov\u00E9 parametre s\u00FA: a = 3.6177(2) \u00C5, c = 5.0404(3) \u00C5 a V = 57.129(8) \u00C53 a m\u00E1 preva\u017Ene uniform\u00E9 chemick\u00E9 zlo\u017Eenie s n\u00EDzkym obsahom Se (do 0.005 apfu) a S (do 0.048 apfu). Vz\u00E1cne boli spolu s krutovitom pozorovan\u00E9 aj mikroskopick\u00E9 agreg\u00E1ty S-bohat\u00E9ho nikel\u00EDnu (up to 0.217 apfu S) alebo Ni-deficientn\u00E9ho neusporiadan\u00E9ho nikel\u00EDnu. Tieto f\u00E1zy m\u00F4\u017Eu reprezentova\u0165 nikel\u00EDn so submikroskopick\u00FDmi (pod 0.1 \u03BCm) inkl\u00FAziami krutovitu alebo produkt dif\u00FAzie krutovitu do star\u0161ieho nikel\u00EDnu po\u010Das jeho zatl\u00E1\u010Dania." . "1211-0329" . . "Krutovite and associated minerals from the Dob\u0161in\u00E1-Teliatko occurrence (Slovak Republic)"@en . "Bulletin mineralogicko-petrologick\u00E9ho odd\u011Blen\u00ED N\u00E1rodn\u00EDho muzea v Praze" . "Krutovite and associated minerals from the Dob\u0161in\u00E1-Teliatko occurrence (Slovak Republic)"@en . . "I" . . "[712D4BA58956]" . . "Ba\u010D\u00EDk, Petr" . "Sejkora, Ji\u0159\u00ED" . . . "RIV/00023272:_____/13:#0002114" . "RIV/00023272:_____/13:#0002114!RIV14-MK0-00023272" . "CZ - \u010Cesk\u00E1 republika" . . "Krutovit a sprievodn\u00E9 miner\u00E1ly z lokality Dob\u0161in\u00E1-Teliatko (Slovensk\u00E1 republika)" . . "An interesting hydrothermal ore mineralization with krutovite has been found in the abandoned serpentinite-asbestos quarry near Dob\u0161in\u00E1, Slovak Republic. It is represented by a lenticular nearly subhorizontal vein which is up to 15 cm thick and more than 2 m long and was developed on the contact between the serpentinite breccias and limestones. Quartz and calcite are the main gangue minerals. The most abundant ore mineral is nickeline which is associated with krutovite and galena. Primary ore minerals are often replaced by aggregates of bright green supergene Ni-silicates and mimetite. Krutovite forms metallic, greyish-white individual grains and botryoidal aggregates up to 5 mm in quartz-Ni-silicate mass or microscopic zones in aggregates of older nickeline. Its refined unit-cell parameters are: a = 5.8131(8) \u00C5 and V = 196.43(9) \u00C53. The chemical composition of krutovite from Dob\u0161in\u00E1 is close to the end member formula and only minor amounts of Cu (up to 0.009 apfu), Hg (up to 0.002 apfu), Sb (up to 0.004 apfu), S (up to 0.047 apfu) and Se (up to 0.014 apfu) were detected. Nickeline occurs as metallic, copper-red irregular grains and aggregates up to 2 cm or veinlets up to 8 cm long and 1 cm thick which are embed in quartz-calcite gangue and are often heavily replaced by supergene green Ni-silicates. Its refined unit-cell parameters are: a = 3.6177(2) \u00C5, c = 5.0404(3) \u00C5 and V = 57.129(8) \u00C53 and it shows mostly uniform chemical composition with only low contents of Se (up to 0.005 apfu) and S (up to 0.048 apfu). Rarely also microscopic aggregates of unusual S-rich nickeline (up to 0.217 apfu S) or Ni-deficient disordered nickeline were observed together with krutovite. These phases may represent nickeline with the submicroscopic (under the 0.1 \u03BCm) inclusions of krutovite or products of diffusion of krutovite to the older nickeline during the replacement."@en . . "1" . . "21" . "3"^^ . "14"^^ .