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| Description
| - Minerals of tourmaline group serve as suitable geochemical indicators of compositional evolution in various rocks chiefly due to their ability to incorporate high number of elements, stability in wide PTX-conditions, and refractory behavior. Nevertheless, tourmalines are commonly incompletely chemically characterized (presence of light elements - H, Li, B, valence of Fe, Mn). Moreover, their chemical composition is also influenced by crystal-structural constraints. We will study selected minerals of tourmaline group from geological environments with specific chemical compositions to reveal extent of crystal-structural control on chemical composition in these particular cases and to introduce general discussion of this factor as a routine part of geochemical and petrological applications. With respect to piezoelectric, pyroelectric and additional specific properties of tourmaline group minerals a set of experiments designed to specify a role of Fe (oxidation state, structural position) in order to facilitate potential application of this mineral in industry will be performed. (en)
- Minerály ze skupiny turmalínu se běžně používají jako indikátor vývoje chemického složení v různých typech hornin především pro jejich schopnost pojmout do své struktury značný počet chemických prvků, jejich stabilitu v širokém rozpětí PTX podmínek a značnou odolnost vůči hydrotermálním alteracím a zvětrávání. Většinou ale nejsou turmalíny chemicky dostatečně charakterizované (neznámá bývá většinou přítomnost lehkých prvků – H, Li, B, oxidační stupeň Fe a Mn). Chemické složení turmalínu je navíc ovlivňováno také strukturními faktory. Proto budeme studovat vybrané minerály ze skupiny turmalínu z různých geologických prostředí, abychom blíže objasnili míru vlivu chemismu hornin a strukturních faktorů na chemické složení turmalínu a tento faktor uvedli do rutinních geologických a petrologických aplikací. Vzhledem k piezoelektrickým, pyroelektrickým i jiným vlastnostem turmalínů provedeme sadu experimentů k objasnění role Fe (valence, pozice ve struktuře) a tak usnadnit potenciální aplikace v průmyslovém využití.
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| Title
| - Chemical composition and structural order of natural tourmalines - geochemical versus crystal-structural constrains (en)
- Chemické složení a stupeň strukturního uspořádání přírodních turmalínů - geochemické versus strukturní faktory
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| skos:notation
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| http://linked.open...avai/cep/aktivita
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| http://linked.open...kovaStatniPodpora
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| http://linked.open...ep/celkoveNaklady
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| http://linked.open...datumDodatniDoRIV
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| http://linked.open...i/cep/druhSouteze
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| http://linked.open...ep/duvernostUdaju
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| http://linked.open.../cep/fazeProjektu
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| http://linked.open...ai/cep/hlavniObor
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| http://linked.open...hodnoceniProjektu
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| http://linked.open...vai/cep/kategorie
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| http://linked.open.../cep/klicovaSlova
| - tourmaline borosilicates crystal structure substitutions structural order geochemistry (en)
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| http://linked.open...ep/partnetrHlavni
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| http://linked.open...inujicichPrijemcu
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| http://linked.open...cep/pocetPrijemcu
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| http://linked.open...ocetSpoluPrijemcu
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| http://linked.open.../pocetVysledkuRIV
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| http://linked.open...enychVysledkuVRIV
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| http://linked.open...lneniVMinulemRoce
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| http://linked.open.../prideleniPodpory
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| http://linked.open...iciPoslednihoRoku
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| http://linked.open...atUdajeProjZameru
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| http://linked.open.../vavai/cep/soutez
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| http://linked.open...usZobrazovaneFaze
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| http://linked.open...ai/cep/typPojektu
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| http://linked.open...ep/ukonceniReseni
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| http://linked.open...ep/zahajeniReseni
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| http://linked.open...jektu+dodavatelem
| - The project focused on crystal structure of tourmaline and its compositional relations to the host rock. The project results are important for Mineralogy and Petrology. Based on the number of publications and their quality, the project belongs among the best with creditable international cooperation. Disbursement of the project funds is accordant with the rule of Grant Agency. (en)
- Projekt se zabýval krystalovou strukturou turmalínu a vztahem jeho složení k celkové geochemii horniny. Výsledky mají význam pro mineralogii a petrologii. Počtem publikací a kvalitou výstupu projekt patří mezi nejlepší a chvályhodná je i mezinárodní spolupráce v rámci projektu. Čerpání finančních prostředků projektu je v souladu s grantovými pravidly. (cs)
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| http://linked.open...tniCyklusProjektu
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| is http://linked.open...vavai/riv/projekt
of | - Mineral assemblages, comositional variation, and crystal structure of feruvitic tourmaline from a contaminated anatectic pegmatite at Mirošov near Strážek, Moldanubian Zone, Czech Republic
- Mineral assemblages, compositional variation, and crystal structure of feruvitic tourmaline from a contaminated anatectic pegmatite at Mirošov near Strážek, Moldanubian Zone, Czech Republic
- Compositional evolution of grossular garnet from leucotonalitic pegmatite at Ruda nad Moravou, Czech Republic; a complex EMPA, LA-ICP-MS, IR and CL study
- Darrellhenryite, Na(LiAl2)Al6(BO3)3Si6O18(OH)3O, a new mineral from the tourmaline supergroup
- Oxy-schorl, Na(Fe2+2Al)Al6Si6O18(BO3)3(OH)3O, a new mineral from Zlatá Idka, Slovak Republic and Přibyslavice, Czech Republic
- Scandium and REE-rich tourmaline from the Kracovice pegmatite (Bohemian Massif) and its breakdown to allanite
- Lithium tourmalines from the lepidolite pegmatite at Sedlatice near Telč (Moldanubicum, western Moravia)
- Iron redox reactions in the tourmaline structure: High-temperature treatment of Fe3+-rich schorl
- Tourmalinite veins in vicinity of Třebíč, west-moravian part of the Moldanubian Zone
- Iron plus magnesium-bearing beryl from granitic pegmatites: an EMPA, LA-ICP-MS, Mossbauer spectroscopy, and powder XRD study
- Iron magnesium-bearing beryl from granitic pegmatites: an EMPA, LA-ICP-MS, Mössbauer spectroscopy, and powder XRD study
- COMPOSITIONAL VARIATIONS IN PRIMARY AND SECONDARY TOURMALINE FROM THE QUINTOS PEGMATITE, BORBOREMA PEGMATITE PROVINCE, BRAZIL; REDISTRIBUTION OF Cu, Mn, Fe AND Zn IN SECONDARY TOURMALINE
- Compositional Trends in Tourmaline from Intragranitic NYF Pegmatites of the Třebíč Pluton, Czech Republic: An Electron Microprobe, Mössbauer and LA-ICP-MS Study
- Trace element composition of quartz from different types of pegmatites: A case study from the Moldanubian Zone of the Bohemian Massif (Czech Republic)
- MINERALOGY AND ORIGIN OF THE DUMORTIERITE-BEARING PEGMATITES OF VIRORCO, SAN LUIS, ARGENTINA
- Distributions of Y plus REE and Sc in tourmaline and their implications for the melt evolution; examples from NYF pegmatites of the Trebic Pluton, Moldanubian Zone, Czech Republic
- Fe-rich and As-bearing vesuvianite and wiluite from Kozlov, Czech Republic
- Zoned foitite schor dravite magnesiofoitite crystals from pockets in anatectic pegmatites of the Moldanubian Zone, Czech Republic
- Chemické složení turmalínu z hydrotermálně alterovaných vulkanitů u obce Hlásnice v jižní části šternbersko-hornobenešovského pruhu
- CONTRASTING ORIGINS OF THE MIXED (NYF plus LCT) SIGNATURE IN GRANITIC PEGMATITES, WITH EXAMPLES FROM THE MOLDANUBIAN ZONE, CZECH REPUBLIC
- Compositional evolution of zoned tourmaline crystals from pockets in common pegmatites of the Moldanubian zone, Czech Republic
- Distribution of REE in tourmaline from tourmalinites and host mica schists: implications for evolution and genesis.
- Hydrothermal alteration of tourmaline from tourmalinites in the Krkonoše Crystalline Unit, Bohemian Massif, Czech Republic
- Magnesian tourmalines from plagioclase-muscovite-scapolite metaevaporite layers in dolomite marble near Prosetin (Olesnice Unit, Moravicum, Czech Republic)
- Mineralogy and genesis of pegmatite-like veins in serpentinite eluvium at Nová Ves near Oslavany (Czech Republic)
- Mineralogy and genesis of rock fragments with pegmatite texture from serpentinite eluvium at Nová Ves near Oslavany
- Blue, complexly zoned (Na,Mg,Fe,Li)-rich beryl from quartz-calcite veins in low-grade metamorphosed Fe-deposit Skály near Rýmařov, Czech Republic
- Nomeclature of the tourmaline-supergroup minerals
- „Oxy-dravite“ from tourmalinites of the Krkonoše-Jizera Crystalline Massif
- Quartz veins with dumortierite, andalusite and dravite from Psáry near Jílové (Czech Republic)
- Geochemistry of Y+REE in stratiform tourmalinites and their tourmalines: implications for their genesis
- Geological position, mineral assemblages and contamination of granitic pegmatites in the Moldanubian Zone, Czech Republic; examples from the Vlastějovice region
- Behavior of B and Li during the evolution of the Kracovice pegmatite in respect to the tourmaline and garnet formation and stability
- Crystal structure and compositional evolution of vanadium-rich oxy-dravite from graphite quartzite at Bítovánky, Czech Republic
- Turmalinit z Velkých Žernosek (oparenské krystalinikum, severní Čechy)
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| is http://linked.open...vavai/cep/projekt
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