... are gypsum, huemulite, rösslerite, and at least two other potentially new minerals. Lumsdenite is optically biaxial (–), with α 1.617(2), β 1.651(5), and γ 1.675(5) in white light. The pleochroism scheme for lumsdenite is X = greenish yellow, Y = dark greenish blue, Z = greenish blue; X << Z < Y...

...] , [6] W Picropharmacolite + wendwilsonite this work W, M Picropharmacolit + rauenthalite/phaunouxite this work, [1] , [4] W Guerinite + ?roselite [1] W, M, R, J Pharmacolite + haidingerite [1] , [4] , [5] , [7] W, J Rösslerite + ?haidingerite(?) [1] , [7] W...

... Crystallographica , A64 , 112 – 122 . Sipos P. ( 2009 ) The structure of Al(III) in strongly alkaline aluminate solutions – a review . Journal of Molecular Liquids , 146 , 1 – 14 . Street R.L.T. Whitaker A. ( 1973 ) The isostructurality of rosslerite and phosphorosslerite...

... names. Straßmannite represented the unique case among mineral names in which the Eszett was employed instead of double s. Therefore, for the sake of analogy with fleisstalite, giessenite, günterblassite, mössbauerite, phosphorrösslerite and rösslerite, the mineral straßmannite – which was approved only...

... ), morrisonite ( Kampf et al . 2016a ), munirite, navajoite, packratite ( Kampf et al . 2016a ), pharmacolite, picropharmacolite, postite, rösslerite, selenium, uranopilite, vanarsite ( Kampf et al . 2016a ), and other potentially new minerals, currently under study. The new mineral forms from...

..., gatewayite ( Kampf et al. 2016a ), hewettite, hummerite, lasalite, magnesiopascoite, martyite, morrisonite ( Kampf et al. 2016a ), munirite, navajoite, packratite ( Kampf et al. 2016a ), pascoite, pharmacolite, picropharmacolite, postite, rossite/metarossite, rösslerite, selenium, uranopilite, vanarsite...

... of the deposit. In the oxidized parts of the dolomite veins with primary uraninite, nickeline, krutovite, rammelsbergite, gersdorffite, or native As, the secondary minerals include limonite, annabergite, pharmacolite, picropharmacolite, hörnesite, rösslerite, parasymplesite, nováčekite, gypsum, aragonite...

..., picropharmacolite, hörnesite, rösslerite, parasymplesite, and nováčekite; gypsum, aragonite, arsenolite, schröckin-gerite and rabbittite have also been found here. In the oxidation zone of the barite and calcite-barite veins with galena, sphalerite, chalcopyrite, pyrite and marcasite, the supergene minerals include...

... Mineralogist , 96 , 675 – 681 . Minerals with structures containing isolated PO 4 or AsO 4 groups are quite rare. They are limited to the arsenates rösslerite, Mg(AsO 3 OH)·7H 2 O, and joteite, Ca 2 CuAl[AsO 4 ][AsO 3 (OH)] 2 (OH) 2 ·5H 2 O, and the phosphates phosphorrösslerite, Mg(PO 3 OH)·7H 2 O...

.... , 2003 ), with average temperatures of 16–17°C and air humidity of 25%. The humidity of the air and soil could occasionally increase during the rare rain events. Having recently derived a thermodynamic data set for brassite [Mg[AsO 3 (OH)]⋅4H 2 O] and rösslerite [Mg[AsO 3 (OH)]⋅7H 2 O] (Majzlan et al...

... exist. The stoichiometry for rösslerite was previously given as Mg 3 (AsO 4 ) 2 ·7H 2 O but has been shown by crystallographic studies to be MgHAsO 4 ·7H 2 O. Such change in stoichiometry will change the expression for the stability constant and subsequently may alter the interpretation...

.... Based on the SEM-EDS analysis, possible identities of this phase are magnesiokoritnigite [Mg(As V O 3 OH)·H 2 O], brassite [Mg(As V O 3 OH)·4H 2 O], rößlerite [Mg(As V O 3 OH)·7H 2 O], wapplerite [Mg(HAs V O 4 )·7H 2 O], hörnesite [Mg 3 (As V O 4 )·8H 2 O], or chudobaite [Mg 5 (As V O 4 ) 2 (As V O 3 OH...

... are unconnected AsO 3 (OH) tetrahedra, which link the slabs only via hydrogen bonding. One of the more interesting features of the structure is the unconnected AsO 3 (OH) tetrahedron, which is rare in arsenate (and phosphate) structures (present in arsenate rösslerite and the phosphates phosphorrösslerite...

...) rösslerite, with arsenate tetrahedra connected by the symmetric H bonds. ...

... 2 O, rosslerite . Acta Crystallogr B29 : 286 – 292 Ferraris G , Franchini-Angela M ( 1974 ) Hydrogen bonding in the crystalline state. Crystal structure and twinning of NaNH 4 HPO 4 (H 2 O) 4 (stercorite) . Acta Crystallogr B30 : 504 – 510 Ferraris G , Fuess...

... A. ( 1973 ) The isostructurality of rosslerite and phosphorosslerite . Zeitschrift für Kristallographie , 137 , 246 – 255 . Süsse P. ( 1967 ) Crystal structure of amarantite . Naturwissenschaften , 54 , 642 – 643 . Süsse P. ( 1968 ) Die Kristallstruktur des Botryogens...