About: Běhounekite, U(SO4)2(H2O)4, from Jachymov (St Joachimsthal), Czech Republic: the first natural U4+ sulphate

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About: Běhounekite, U(SO4)2(H2O)4, from Jachymov (St Joachimsthal), Czech Republic: the first natural U4+ sulphate Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Behounekite, orthorhombic U(SO4)2(H2O)4, is the first natural sulphate of U4+. It was found in the Geschieber vein, Jachymov (St Joachimsthal) ore district, Western Bohemia, Czech Republic, crystallized on the altered surface of arsenic. The crystals have a strong vitreous lustre and a grey to greenish grey streak. They are brittle with an uneven fracture and have very good cleavage along {100}. The Mohs hardness is about 2. The empirical formula of behounekite is (U0.99Y0.33)Σ1.02(SO4)1.97(H2O)4. The simplified formula is U(SO4)2(H2O)4. Behounekite is orthorhombic, space group Pnma; the crystal structure consists of layers built up from [8]-coordinate uranium atoms and sulphate tetrahedra. The eight ligands include four oxygen atoms from the sulphate groups and four oxygen atoms from the H2O molecules. Each uranium coordination polyhedron is connected via sulphate tetrahedra with other uranium polyhedra and through hydrogen bonds to the apices of sulphate tetrahedra. Behounekite, orthorhombic U(SO4)2(H2O)4, is the first natural sulphate of U4+. It was found in the Geschieber vein, Jachymov (St Joachimsthal) ore district, Western Bohemia, Czech Republic, crystallized on the altered surface of arsenic. The crystals have a strong vitreous lustre and a grey to greenish grey streak. They are brittle with an uneven fracture and have very good cleavage along {100}. The Mohs hardness is about 2. The empirical formula of behounekite is (U0.99Y0.33)Σ1.02(SO4)1.97(H2O)4. The simplified formula is U(SO4)2(H2O)4. Behounekite is orthorhombic, space group Pnma; the crystal structure consists of layers built up from [8]-coordinate uranium atoms and sulphate tetrahedra. The eight ligands include four oxygen atoms from the sulphate groups and four oxygen atoms from the H2O molecules. Each uranium coordination polyhedron is connected via sulphate tetrahedra with other uranium polyhedra and through hydrogen bonds to the apices of sulphate tetrahedra. (en)
Title	Běhounekite, U(SO4)2(H2O)4, from Jachymov (St Joachimsthal), Czech Republic: the first natural U4+ sulphate Běhounekite, U(SO4)2(H2O)4, from Jachymov (St Joachimsthal), Czech Republic: the first natural U4+ sulphate (en)
skos:prefLabel	Běhounekite, U(SO4)2(H2O)4, from Jachymov (St Joachimsthal), Czech Republic: the first natural U4+ sulphate Běhounekite, U(SO4)2(H2O)4, from Jachymov (St Joachimsthal), Czech Republic: the first natural U4+ sulphate (en)
skos:notation	RIV/68378271:_____/11:00369630!RIV12-AV0-68378271
http://linked.open...avai/predkladatel	Fyzikální ústav AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(DE07P04OMG003), P(GAP204/11/0809), Z(AV0Z10100521), Z(AV0Z30460519), Z(MSM0021622412)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Fejfarová, Karla Dušek, Michal
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	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	187977
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/11:00369630
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	uranium minerals; X-ray diffraction; crystal structure; Jana2006 (en)
http://linked.open.../riv/klicoveSlovo	uranium minerals Jana2006 X-ray diffraction crystal structure
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[166E352A4253]
http://linked.open...i/riv/nazevZdroje	Mineralogical Magazine
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	11 (xsd:int)
http://linked.open...vavai/riv/projekt	New mineral species as indicators of a specific geological surroundings Absorption, beam homogeneity and varying irradiated volume corrections in multidomain bulk and thin film samples.
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	75
http://linked.open...iv/tvurceVysledku	Dušek, Michal Fejfarová, Karla Hloušek, J. Machovič, Vladimír Majzlan, J. Novák, M. Plášil, J. Sejkora, J. Talla, D. Čejka, J. Škoda, R.
http://linked.open...ain/vavai/riv/wos	000298307000003
http://linked.open...n/vavai/riv/zamer	Physics and technology of nanostructures, surfaces and thin films Research into the properties of geomaterials, development of methods of their ecological exploitation and interpretation of geodynamic processes Interactions among the chemicals, environment and biological systems and their consequences on the global, regional and local scales (INCHEMBIOL)
issn	0026-461X
number of pages	15 (xsd:int)
http://bibframe.org/vocab/doi	10.1180/minmag.2011.075.6.2739
is http://linked.open...avai/riv/vysledek of	Běhounekite, U(SO4)2(H2O)4, from Jachymov (St Joachimsthal), Czech Republic: the first natural U4+ sulphate Běhounekite, U(SO4)2(H2O)4, from Jachymov (St Joachimsthal), Czech Republic: the first natural U4+ sulphate

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