...Anthony R. Kampf; Jakub Plášil; Anatoly V. Kasatkin; Joe Marty Abstract The new minerals bobcookite (IMA 2014-030), NaAl(UO 2 ) 2 (SO 4 ) 4 ·18H 2 O and wetherillite (IMA 2014-044), Na 2 Mg(UO 2 ) 2 (SO 4 ) 4 ·18H 2 O, were found in the Blue Lizard mine, San Juan County, Utah, USA, where they occur...

... with bobcookite, coquimbite, halotrichite, libbyite, metavoltine, rhomboclase, römerite, tamarugite and voltaite. The streak is very pale yellow. Crystals are transparent with vitreous lustre. The tenacity is brittle, the Mohs hardness is ~2½ and the fracture is curved. Cleavage is excellent on {010}, good...

... of light green–yellow equant crystals in a secondary assemblage with bobcookite, coquimbite, halotrichite, metavoltine, rhomboclase, römerite, tamarugite, voltaite and zincorietveldite. The streak is very pale green yellow and the fluorescence is strong green under 405 nm ultraviolet light. Crystals...

...); 3.405(11)( $\bar{2}$ 11); and 3.065(11)( $\bar{1}\bar{1}$ 3). The crystal structure of gurzhiite is based upon uranyl sulfate chains of the same type as in bobcookite and svornostite. Between the chains are two types of Al-octahedra – Al1(H 2 O) 6 and Al2F 2 (H 2 O) 4 . The entire structure stability...

... Juan County, Utah, USA. It occurs with natrozippeite, brochantite, devilline, posnjakite, johannite, gypsum, bobcookite, pickeringite, pentahydrite and the NH 4 -analogue of zippeite: ammoniozippeite. Redcanyonite occurs as radial aggregates of red–orange needles and blades individually reaching up...

...Olivier C. Gagne; Dmitriy I. Belakovskiy; Fernando Cámara © 2016 Mineralogical Society of America 2016 This New Mineral Names has entries for 8 new minerals, including balićžunićite, bobcookite, byrudite, campostriniite, canutite, ericlaxmanite, kozyrevskite, and wetherillite...

...F ig . 12. The uranyl sulfate chains in oppenheimerite (top) and bobcookite (bottom). ...

.... and Belmonte, D. (2014) Cortesognoite, IMA 2014-029. CNMNC Newsletter No. 21, August 2014, page 801; Mineralogical Magazine , 78 , 797–804. IMA No. 2014-030 Bobcookite NaAl(UO 2 ) 2 (SO 4 ) 4 ·18H 2 O Blue Lizard Mine, Red Canyon, White Canyon District, San Juan County, Utah, USA (37°33′26...

... minerals found in the Green Lizard mine assemblage include arsenuranospathite, bobcookite ( Kampf et al. , 2015b ), calcite, dickite, fermiite ( Kampf et al. , 2015c ), johannite, magnesioleydetite ( Kampf et al. , 2018c ), metakahlerite, nováčekite-II, natrozippeite, oppenheimerite ( Kampf et al...

... ). To date, our investigations have yielded eight new uranyl sulfate minerals, belakovskiite, bluelizardite, fermiite, meisserite, oppenheimerite, plášilite, bobcookite and wetherillite. The ninth, tenth and eleventh new uranyl sulfates from this mine, klaprothite, péligotite and ottohahnite, are described...

..., are sulfates alwilkinsite-(Y), belakovskiite, bluelizardite, bobcookite, chinleyite-(Y), cobaltoblödite, fermiite, klaprothite, manganoblödite, meisserite, oppenheimerite, ottohahnite, péligotite, plášilite, redcanyonite and wetherillite. A detailed description of the mine, its history and geology are provided...

... atom, Fig. 3a ) weakly links the chains into a sheet-like structure. Such infinite chains have been found in other uranyl sulfates, for instance, in svornostite (Plášil et al. , 2015b ), bobcookite (Kampf et al. , 2015 ), rietveldite (Kampf et al. , 2017) and in the synthetic compounds K 2 [(UO 2...