"208498" . "RIV/63218780:_____/11:#0000016" . . "Soumar, Jan" . . . "Krystalochemie gran\u00E1t\u016F pyralspitov\u00E9 skupiny." . "[4E9E0F475DFA]" . "P(FR-TI1/543)" . . . . "Krystalochemie gran\u00E1t\u016F pyralspitov\u00E9 skupiny."@cs . "1"^^ . . . . "Krystalochemie gran\u00E1t\u016F pyralspitov\u00E9 skupiny."@cs . . "garnets, pyralspite goup, mineralogy, crystal chemistry"@en . . "Pomoc\u00ED elektronov\u00E9ho mikroanalyz\u00E1toru, LA-ICP-MS, ICP-OES, M\u00F6ssbauerovy spektroskopie a rentgenov\u00E9 difrak\u010Dn\u00ED anal\u00FDzy byly studov\u00E1ny vzorky pyrop\u016F z osmi \u010Desk\u00FDch lokalit (\u010Cesk\u00E9 st\u0159edoho\u0159\u00ED a Podkrkono\u0161\u00ED) a z lokality \u0160avaryn Caram v Mongolsku. V\u00FDsledky ukazuj\u00ED, \u017Ee gran\u00E1ty z lo\u017Eiska \u0160avaryn Caram jev\u00ED \u0159adu odli\u0161nost\u00ED, a nep\u0159edstavuj\u00ED tak zcela plnohodnotnou alternativu ke \u0161perka\u0159sky vyu\u017E\u00EDvan\u00FDm \u010Desk\u00FDm gran\u00E1t\u016Fm. Na z\u00E1klad\u011B existuj\u00EDc\u00EDch a nam\u011B\u0159en\u00FDch dat lze \u201E klasick\u00FD\u201C \u010Desk\u00FD gran\u00E1t definovat jako gran\u00E1t \u010Derven\u00E9 barvy s indexem lomu 1,747 (+/- 0,001), s dominantn\u00ED pyropovou slo\u017Ekou (pr\u016Fm\u011Brn\u00E9 slo\u017Een\u00ED Py78Alm17Gr5) a obsahem Cr2O3 nad 1 hm. %. Z\u00EDskan\u00E1 chemick\u00E1 data byla tak\u00E9 zhodnocena z hlediska ur\u010Den\u00ED zdrojov\u00FDch materi\u00E1l\u016F a s ohledem na mo\u017En\u00FD v\u00FDskyt diamant\u016F (Schulze 2003 a Gr\u00FCtter 2004). \u010Cesk\u00E9 gran\u00E1ty v oblasti \u010Cesk\u00E9m st\u0159edoho\u0159\u00ED i Podkrkono\u0161\u00ED poch\u00E1zej\u00ED z lherzolit\u016F, a nelze o\u010Dek\u00E1vat, \u017Ee by se spolu s nimi vyskytovaly diamanty. Gran\u00E1ty z \u0160avaryn Caramu podle stejn\u00FDch klasifikac\u00ED poch\u00E1zej\u00ED z eklogit\u016F a na rozd\u00EDl od \u010Desk\u00FDch gran\u00E1t\u016F mohou b\u00FDt doprov\u00E1zeny diamanty. Diplomov\u00E1 pr\u00E1ce, P\u0159\u00EDrodov\u011Bdeck\u00E1 fakulta UK Praha, 56 str." . . "Pomoc\u00ED elektronov\u00E9ho mikroanalyz\u00E1toru, LA-ICP-MS, ICP-OES, M\u00F6ssbauerovy spektroskopie a rentgenov\u00E9 difrak\u010Dn\u00ED anal\u00FDzy byly studov\u00E1ny vzorky pyrop\u016F z osmi \u010Desk\u00FDch lokalit (\u010Cesk\u00E9 st\u0159edoho\u0159\u00ED a Podkrkono\u0161\u00ED) a z lokality \u0160avaryn Caram v Mongolsku. V\u00FDsledky ukazuj\u00ED, \u017Ee gran\u00E1ty z lo\u017Eiska \u0160avaryn Caram jev\u00ED \u0159adu odli\u0161nost\u00ED, a nep\u0159edstavuj\u00ED tak zcela plnohodnotnou alternativu ke \u0161perka\u0159sky vyu\u017E\u00EDvan\u00FDm \u010Desk\u00FDm gran\u00E1t\u016Fm. Na z\u00E1klad\u011B existuj\u00EDc\u00EDch a nam\u011B\u0159en\u00FDch dat lze \u201E klasick\u00FD\u201C \u010Desk\u00FD gran\u00E1t definovat jako gran\u00E1t \u010Derven\u00E9 barvy s indexem lomu 1,747 (+/- 0,001), s dominantn\u00ED pyropovou slo\u017Ekou (pr\u016Fm\u011Brn\u00E9 slo\u017Een\u00ED Py78Alm17Gr5) a obsahem Cr2O3 nad 1 hm. %. Z\u00EDskan\u00E1 chemick\u00E1 data byla tak\u00E9 zhodnocena z hlediska ur\u010Den\u00ED zdrojov\u00FDch materi\u00E1l\u016F a s ohledem na mo\u017En\u00FD v\u00FDskyt diamant\u016F (Schulze 2003 a Gr\u00FCtter 2004). \u010Cesk\u00E9 gran\u00E1ty v oblasti \u010Cesk\u00E9m st\u0159edoho\u0159\u00ED i Podkrkono\u0161\u00ED poch\u00E1zej\u00ED z lherzolit\u016F, a nelze o\u010Dek\u00E1vat, \u017Ee by se spolu s nimi vyskytovaly diamanty. Gran\u00E1ty z \u0160avaryn Caramu podle stejn\u00FDch klasifikac\u00ED poch\u00E1zej\u00ED z eklogit\u016F a na rozd\u00EDl od \u010Desk\u00FDch gran\u00E1t\u016F mohou b\u00FDt doprov\u00E1zeny diamanty. Diplomov\u00E1 pr\u00E1ce, P\u0159\u00EDrodov\u011Bdeck\u00E1 fakulta UK Praha, 56 str."@cs . "RIV/63218780:_____/11:#0000016!RIV12-MPO-63218780" . . "Crystal chemistry of garnets of th pyralspite group."@en . . "Krystalochemie gran\u00E1t\u016F pyralspitov\u00E9 skupiny." . . "Pyrope samples from eight Bohemian localities of two areas (\u010Cesk\u00E9 st\u0159edoho\u0159\u00ED [The Central Bohemian Uplands] and Podkrkono\u0161\u00ED [The Giant Mountains]) and from Shavaryn Tsaram deposit in Mongolia were analysed using electron microprobe, LA-ICP-MS, ICP-OES, M\u00F6ssbauer spectroscopy and x-ray powder diffraction. The data were compared with the conclusion that the Mongolian garnets from Shavaryn Tsaram deposit are so different from the Bohemian ones that it will not be possible to use them as a gem material of similar qualities. Bohemian garnet can be characterised as a red garnet with refraction index 1.747 (+/- 0.001) with dominant pyrope component of the average composition Py78Alm17Gr5 and Cr2O3 content above 1 wt.%. The data were also evaluated from two classification schemes point of view. The schemes by Schulze (2003) and Gr\u00FCtter (2004) are used in determining source materials and in diamond prospection. According to them source rocks of Bohemian garnets from both areas correspond to lherzolite and supposedly will not be accompanied by diamonds. On the other hand, Mongolian garnets from Shavaryn Tsaram deposit are derived from eclogites and can be accompanied by diamonds. Diploma thesis, Faculty of Science, Charles University in Prague 56 pp."@en . "Crystal chemistry of garnets of th pyralspite group."@en . "1"^^ . . .