About: Crystal chemistry of pyralspite garnets from Shavaryn Tsaram, Mongolia

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About: Crystal chemistry of pyralspite garnets from Shavaryn Tsaram, Mongolia Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.ima2010.hu/
Description	Garnets from the classic localities in Northern Bohemia (Czech Republic) and Shavaryn Tsaram deposit (Mongolia), of mostly dark red (in some cases dark orange) colour, were studied by means of electron microprobe and X-ray powder diffraction analysis, with the aim to compare the mineralogical compositions of the two sample sets. BSE images were taken to check for potential zoning of the samples. No obvious zoning was observed in the BSE images of polished grains; this is also consistent with the relatively uniform chemical compositions measured . The average empirical formula of Shavaryn Tsaram garnets (based on 12 oxygens per formula unit, full occupancy of all sites, and maintaining charge balance) is (Mg1.56Fe2+0.92Ca0.46Ba0.04Mn0.02)Σ3.00(Al1.91Fe3+0.08Ti0.03)Σ2.00(Si2.97Al0.04)Σ3.00O12. This corresponds to the simplified end-member composition Pyr53Alm31Gr12And4. X-ray powder diffraction confirmed the identity of the studied material to the pyrope–almandine garnet series. Comparing the data with results of a previous study shows the possibility of the Mongolian garnets to have a similar use as the Czech ones. Garnets from the classic localities in Northern Bohemia (Czech Republic) and Shavaryn Tsaram deposit (Mongolia), of mostly dark red (in some cases dark orange) colour, were studied by means of electron microprobe and X-ray powder diffraction analysis, with the aim to compare the mineralogical compositions of the two sample sets. BSE images were taken to check for potential zoning of the samples. No obvious zoning was observed in the BSE images of polished grains; this is also consistent with the relatively uniform chemical compositions measured . The average empirical formula of Shavaryn Tsaram garnets (based on 12 oxygens per formula unit, full occupancy of all sites, and maintaining charge balance) is (Mg1.56Fe2+0.92Ca0.46Ba0.04Mn0.02)Σ3.00(Al1.91Fe3+0.08Ti0.03)Σ2.00(Si2.97Al0.04)Σ3.00O12. This corresponds to the simplified end-member composition Pyr53Alm31Gr12And4. X-ray powder diffraction confirmed the identity of the studied material to the pyrope–almandine garnet series. Comparing the data with results of a previous study shows the possibility of the Mongolian garnets to have a similar use as the Czech ones. (en)
Title	Crystal chemistry of pyralspite garnets from Shavaryn Tsaram, Mongolia Crystal chemistry of pyralspite garnets from Shavaryn Tsaram, Mongolia (en)
skos:prefLabel	Crystal chemistry of pyralspite garnets from Shavaryn Tsaram, Mongolia Crystal chemistry of pyralspite garnets from Shavaryn Tsaram, Mongolia (en)
skos:notation	RIV/63218780:_____/10:#0000011!RIV12-MPO-63218780
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(FR-TI1/543)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Skála, Roman Soumar, Jan Matějka, Dobroslav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	TRITON TURNOV s. r. o.
http://linked.open...dnocenehoVysledku	252428
http://linked.open...ai/riv/idVysledku	RIV/63218780:_____/10:#0000011
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	garnets, pyralspite group, crystal chemistry, Mongolia (en)
http://linked.open.../riv/klicoveSlovo	garnets crystal chemistry Mongolia pyralspite group
http://linked.open...odStatuVydavatele	HU - Maďarsko
http://linked.open...ontrolniKodProRIV	[709E52AF0966]
http://linked.open...i/riv/nazevZdroje	Acta Universitatis Szegediensis, Acta Mineralogica-Petrographica
http://linked.open...in/vavai/riv/obor	DB
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	*Research of pyroalmandines as a new source of the natural raw material with possible complex applicabillity in an industry.
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	2010
http://linked.open...iv/tvurceVysledku	Skála, Roman Soumar, Jan Matějka, Dobroslav
issn	0324-6523
number of pages	1 (xsd:int)

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