Lucchesiite, CaFe32 Al6(Si6O18)(BO3)(3)(OH)(3)O, a new mineral species of the tourmaline supergroup
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F17%3A73583403" target="_blank" >RIV/61989592:15310/17:73583403 - isvavai.cz</a>
Nalezeny alternativní kódy
RIV/00216224:14310/17:00094729
Výsledek na webu
<a href="http://dx.doi.org/10.1180/minmag.2016.080.067" target="_blank" >http://dx.doi.org/10.1180/minmag.2016.080.067</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1180/minmag.2016.080.067" target="_blank" >10.1180/minmag.2016.080.067</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Lucchesiite, CaFe32 Al6(Si6O18)(BO3)(3)(OH)(3)O, a new mineral species of the tourmaline supergroup
Popis výsledku v původním jazyce
Lucchesiite, CaFe32+Al6(Si6O18)(BO3)(3)(OH)(3)O, is a new mineral of the tourmaline supergroup. It occurs in the Ratnapura District, Sri Lanka (6 degrees 35'N, 80 degrees 35'E), most probably from pegmatites and in Mirosov near Strazek, western Moravia, Czech Republic, (49 degrees 27'49.38"N, 16 degrees 9'54.34"E) in anatectic pegmatite contaminated by host calc-silicate rock. Crystals are black with a vitreous lustre, conchoidal fracture and grey streak. Lucchesiite has a Mohs hardness of similar to 7 and a calculated density of 3.209 g/cm(3) (Sri Lanka) to 3.243 g/cm(3) (Czech Republic). In plane-polarized light, lucchesiite is pleochroic (O = very dark brown and E = light brown) and uniaxial (-). Lucchesiite is rhombohedral, space group R3m, a approximate to 16.00 angstrom, c approximate to 7.21 angstrom, V approximate to 1599.9 angstrom(3), Z = 3. The crystal structure of lucchesiite was refined to R1 approximate to 1.5% using similar to 2000 unique reflections collected with MoKa X-ray intensity data. Crystal-chemical analysis for the Sri Lanka (holotype) and Czech Republic (cotype) samples resulted in the empirical formulae, respectively: (X)(Ca0.69Na0.30K0.02)(Sigma 1.01)(Y)(Fe1.442+Mg0.72Al0.48Ti0.334+V0.023+Mn0.01Zn0.01)(Sigma 3.00)(Z)(Al4.74Mg1.01Fe0.253+)(Sigma 6.00) [(T)(Si5.85Al0.15)S6.00O18](BO3)(3)(V)(OH)(3)(W)[O0.69F0.24(OH)(0.07)](Sigma 1.00) and (X)(Ca0.49Na0.45.square K-0.05(0.01))(Sigma 1.00) (Y)(F-1.14(e2+) Fe-0.95(3+) Mg0.42Al0.37 Mn0.03Ti0.084+Zn0.01)(Sigma 3.00)(Z)(Al-5.11 Fe-0.38(3+) Mg-0.52)(Sigma 6.00) [(T)(Si5.88Al0.12)(Sigma 6.00)O-18] (BO3)(3) (V)[(OH)(2.66)O-0.34]Sigma(3.00) (W)(O0.94F0.06)(Sigma 1.00).
Název v anglickém jazyce
Lucchesiite, CaFe32 Al6(Si6O18)(BO3)(3)(OH)(3)O, a new mineral species of the tourmaline supergroup
Popis výsledku anglicky
Lucchesiite, CaFe32+Al6(Si6O18)(BO3)(3)(OH)(3)O, is a new mineral of the tourmaline supergroup. It occurs in the Ratnapura District, Sri Lanka (6 degrees 35'N, 80 degrees 35'E), most probably from pegmatites and in Mirosov near Strazek, western Moravia, Czech Republic, (49 degrees 27'49.38"N, 16 degrees 9'54.34"E) in anatectic pegmatite contaminated by host calc-silicate rock. Crystals are black with a vitreous lustre, conchoidal fracture and grey streak. Lucchesiite has a Mohs hardness of similar to 7 and a calculated density of 3.209 g/cm(3) (Sri Lanka) to 3.243 g/cm(3) (Czech Republic). In plane-polarized light, lucchesiite is pleochroic (O = very dark brown and E = light brown) and uniaxial (-). Lucchesiite is rhombohedral, space group R3m, a approximate to 16.00 angstrom, c approximate to 7.21 angstrom, V approximate to 1599.9 angstrom(3), Z = 3. The crystal structure of lucchesiite was refined to R1 approximate to 1.5% using similar to 2000 unique reflections collected with MoKa X-ray intensity data. Crystal-chemical analysis for the Sri Lanka (holotype) and Czech Republic (cotype) samples resulted in the empirical formulae, respectively: (X)(Ca0.69Na0.30K0.02)(Sigma 1.01)(Y)(Fe1.442+Mg0.72Al0.48Ti0.334+V0.023+Mn0.01Zn0.01)(Sigma 3.00)(Z)(Al4.74Mg1.01Fe0.253+)(Sigma 6.00) [(T)(Si5.85Al0.15)S6.00O18](BO3)(3)(V)(OH)(3)(W)[O0.69F0.24(OH)(0.07)](Sigma 1.00) and (X)(Ca0.49Na0.45.square K-0.05(0.01))(Sigma 1.00) (Y)(F-1.14(e2+) Fe-0.95(3+) Mg0.42Al0.37 Mn0.03Ti0.084+Zn0.01)(Sigma 3.00)(Z)(Al-5.11 Fe-0.38(3+) Mg-0.52)(Sigma 6.00) [(T)(Si5.88Al0.12)(Sigma 6.00)O-18] (BO3)(3) (V)[(OH)(2.66)O-0.34]Sigma(3.00) (W)(O0.94F0.06)(Sigma 1.00).
Klasifikace
Druh
J<sub>imp</sub> - Článek v periodiku v databázi Web of Science
CEP obor
—
OECD FORD obor
10504 - Mineralogy
Návaznosti výsledku
Projekt
Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.
Návaznosti
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Ostatní
Rok uplatnění
2017
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název periodika
Mineralogical Magazine
ISSN
0026-461X
e-ISSN
—
Svazek periodika
81
Číslo periodika v rámci svazku
1
Stát vydavatele periodika
GB - Spojené království Velké Británie a Severního Irska
Počet stran výsledku
15
Strana od-do
1-14
Kód UT WoS článku
000396518700001
EID výsledku v databázi Scopus
—