"\u010Cern\u00FD, Pavel" . . "CZ - \u010Cesk\u00E1 republika" . . "21" . "V\u00FDskyt silik\u00E1t\u016F uranylu (weeksit, kasolit) na uranov\u00E9m rudn\u00EDm v\u00FDskytu Zborovy - Nicov u Pl\u00E1nice (\u010Cesk\u00E1 republika)" . . . . "Occurrence of uranyl silicates (weeksite, kasolite) at the uranium ore occurrence Zborovy - Nicov near Pl\u00E1nice (Czech Republic)"@en . . . . "An interesting uranyl silicate association (kasolite, weeksite) was found at the small uranium ore occurrence Zborovy - Nicov near Pl\u00E1nice (SW Bohemia, Czech Republic). Kasolite forms there abundant powder to massive hemisperical aggregates (pseudomorphoses after uraninite) in a strongly supergene altered gangue and veinlets up to 2 cm; it is yellow with orange or light brown tints. Kasolite is monoclinic, space group P21/c, the unit-cell parameters refined from powder X-ray data are: a 6.716(2), b 6.924(5), c 13.256(6) \u00C5, \u03B2 104.17(3)o and V 597.6(5) \u00C53. Chemical analyses yielded to the empirical formula (Pb0.88K0.05)\u03A30.93(UO2)1.02(SiO4)1.00. H2O. Weeksite was identified only at some samples; it forms light yellow (some with greenish tint) massive aggregates up to 1 - 3 cm in size, pseudomorphs after hemispherical aggregates of uraninite or irregular aggregates and veinlets in gangue. It is monoclinic, space group C2/m, with the unit-cell parameters: a 14.197(1), b 14.203(1), c 9.631(1) \u00C5, \u03B2 111.624(7)o and V 1805.3(4) \u00C53. Its empirical formula is (K0.57Ba0.33Ca0.13Al0.06Co0.02Pb0.01)\u03A31.12(UO2)2.02Si5O13 . 4H2O. The results of spectroscopic (Raman, IR) study of both uranyl silicates and tentative assignment of spectra are given in the paper. Uranyl silicates originated there by weathering of primary uranium minerals in the conditions of supergene zone in-situ."@en . "V\u00FDskyt silik\u00E1t\u016F uranylu (weeksit, kasolit) na uranov\u00E9m rudn\u00EDm v\u00FDskytu Zborovy - Nicov u Pl\u00E1nice (\u010Cesk\u00E1 republika)"@cs . "1211-0329" . "Litochleb, Ji\u0159\u00ED" . "RIV/00023272:_____/13:#0002112!RIV14-MK0-00023272" . "[0C31D8991446]" . "weeksite; kasolite; powder X-ray diffraction data; unit-cell parameters; chemical composition; Raman spectroscopy; infrared spectroscopy; Zborovy-Nicov near Pl\u00E1nice; Moldanubian; Czech Republic"@en . . . . . . "RIV/00023272:_____/13:#0002112" . "4"^^ . "115704" . "1" . . "3"^^ . "Occurrence of uranyl silicates (weeksite, kasolite) at the uranium ore occurrence Zborovy - Nicov near Pl\u00E1nice (Czech Republic)"@en . . "V\u00FDskyt silik\u00E1t\u016F uranylu (weeksit, kasolit) na uranov\u00E9m rudn\u00EDm v\u00FDskytu Zborovy - Nicov u Pl\u00E1nice (\u010Cesk\u00E1 republika)" . . . . "V\u00FDskyt silik\u00E1t\u016F uranylu (weeksit, kasolit) na uranov\u00E9m rudn\u00EDm v\u00FDskytu Zborovy - Nicov u Pl\u00E1nice (\u010Cesk\u00E1 republika)"@cs . "Zaj\u00EDmav\u00E1 asociace silik\u00E1t\u016F uranylu (kasolit, weeksit) byla nalezena na uranov\u00E9m rudn\u00EDm v\u00FDskytu Zborovy - Nicov u Pl\u00E1nice (JZ \u010Cechy, \u010Cesk\u00E1 republika). Kasolit zde vytv\u00E1\u0159\u00ED hojn\u00E9 pr\u00E1\u0161kovit\u00E9 a\u017E celistv\u00E9 polokulovit\u00E9 agreg\u00E1ty (pseudomorf\u00F3zy po uraninitu) v siln\u011B supergenn\u011B alterovan\u00E9 \u017Eilovin\u011B a pro\u017Eilky do 2 cm; je \u017Elut\u00FD s oran\u017Eov\u00FDmi nebo sv\u011Btle hn\u011Bd\u00FDmi odst\u00EDny. Kasolit je monoklinick\u00FD, prostorov\u00E1 grupa P21/c, s parametry z\u00E1kladn\u00ED cely zp\u0159esn\u011Bn\u00FDmi z rentgenov\u00FDch pr\u00E1\u0161kov\u00FDch dat: a 6.716(2), b 6.924(5), c 13.256(6) \u00C5, \u03B2 104.17(3)o a V 597.6(5) \u00C53. Jeho chemick\u00E1 anal\u00FDza vede k empirick\u00E9mu vzorci (Pb0.88K0.05)\u03A30.93(UO2)1.02(SiO4)1.00 . H2O. Weeksit byl identifikov\u00E1n pouze na n\u011Bkolika vzorc\u00EDch, vytv\u00E1\u0159\u00ED sv\u011Btle \u017Elut\u00E9 (n\u011Bkdy se zelen\u00FDm odst\u00EDnem) celistv\u00E9 agreg\u00E1ty o velikosti do 1 - 3 cm; pseudomorf\u00F3zy po polokulovit\u00FDch agreg\u00E1tech uraninitu nebo nepravideln\u00E9 agreg\u00E1ty a pro\u017Eilky v \u017Eilovin\u011B. Je monoklinick\u00FD, prostorov\u00E1 grupa C2/m, s parametry z\u00E1kladn\u00ED cely: a 14.197(1), b 14.203(1), c 9.631(1) \u00C5, \u03B2 111.624(7)o a V 1805.3(4) \u00C53. Jeho empirick\u00FD vzorec je (K0.57Ba0.33Ca0.13Al0.06Co0.02Pb0.01)\u03A31.12(UO2)2.02Si5O13 . 4H2O. V pr\u00E1ci jsou pod\u00E1ny v\u00FDsledky spektroskopick\u00E9ho studia (Raman, IR) obou silik\u00E1t\u016F uranylu a pravd\u011Bpodobn\u00E9 interpretace zm\u011B\u0159en\u00FDch spekter. Silik\u00E1ty uranylu zde vznikly zv\u011Btr\u00E1v\u00E1n\u00EDm prim\u00E1rn\u00EDch miner\u00E1l\u016F uranu v podm\u00EDnk\u00E1ch supergenn\u00ED z\u00F3ny in-situ." . "I" . . . . . "10"^^ . "Zaj\u00EDmav\u00E1 asociace silik\u00E1t\u016F uranylu (kasolit, weeksit) byla nalezena na uranov\u00E9m rudn\u00EDm v\u00FDskytu Zborovy - Nicov u Pl\u00E1nice (JZ \u010Cechy, \u010Cesk\u00E1 republika). Kasolit zde vytv\u00E1\u0159\u00ED hojn\u00E9 pr\u00E1\u0161kovit\u00E9 a\u017E celistv\u00E9 polokulovit\u00E9 agreg\u00E1ty (pseudomorf\u00F3zy po uraninitu) v siln\u011B supergenn\u011B alterovan\u00E9 \u017Eilovin\u011B a pro\u017Eilky do 2 cm; je \u017Elut\u00FD s oran\u017Eov\u00FDmi nebo sv\u011Btle hn\u011Bd\u00FDmi odst\u00EDny. Kasolit je monoklinick\u00FD, prostorov\u00E1 grupa P21/c, s parametry z\u00E1kladn\u00ED cely zp\u0159esn\u011Bn\u00FDmi z rentgenov\u00FDch pr\u00E1\u0161kov\u00FDch dat: a 6.716(2), b 6.924(5), c 13.256(6) \u00C5, \u03B2 104.17(3)o a V 597.6(5) \u00C53. Jeho chemick\u00E1 anal\u00FDza vede k empirick\u00E9mu vzorci (Pb0.88K0.05)\u03A30.93(UO2)1.02(SiO4)1.00 . H2O. Weeksit byl identifikov\u00E1n pouze na n\u011Bkolika vzorc\u00EDch, vytv\u00E1\u0159\u00ED sv\u011Btle \u017Elut\u00E9 (n\u011Bkdy se zelen\u00FDm odst\u00EDnem) celistv\u00E9 agreg\u00E1ty o velikosti do 1 - 3 cm; pseudomorf\u00F3zy po polokulovit\u00FDch agreg\u00E1tech uraninitu nebo nepravideln\u00E9 agreg\u00E1ty a pro\u017Eilky v \u017Eilovin\u011B. Je monoklinick\u00FD, prostorov\u00E1 grupa C2/m, s parametry z\u00E1kladn\u00ED cely: a 14.197(1), b 14.203(1), c 9.631(1) \u00C5, \u03B2 111.624(7)o a V 1805.3(4) \u00C53. Jeho empirick\u00FD vzorec je (K0.57Ba0.33Ca0.13Al0.06Co0.02Pb0.01)\u03A31.12(UO2)2.02Si5O13 . 4H2O. V pr\u00E1ci jsou pod\u00E1ny v\u00FDsledky spektroskopick\u00E9ho studia (Raman, IR) obou silik\u00E1t\u016F uranylu a pravd\u011Bpodobn\u00E9 interpretace zm\u011B\u0159en\u00FDch spekter. Silik\u00E1ty uranylu zde vznikly zv\u011Btr\u00E1v\u00E1n\u00EDm prim\u00E1rn\u00EDch miner\u00E1l\u016F uranu v podm\u00EDnk\u00E1ch supergenn\u00ED z\u00F3ny in-situ."@cs . "Bulletin mineralogicko-petrologick\u00E9ho odd\u011Blen\u00ED N\u00E1rodn\u00EDho muzea v Praze" . . . "Sejkora, Ji\u0159\u00ED" . "\u010Cejka, Ji\u0159\u00ED" .