...Igor V. Pekov; Sergey V. Krivovichev; Vasiliy O. Yapaskurt; Nikita V. Chukanov; Dmitriy I. Belakovskiy Abstract A new mineral beshtauite, (NH 4 ) 2 (UO 2 )(SO 4 ) 2 ·2H 2 O, was found in the oxidation zone of the Beshtau uranium deposit, Mount Beshtau, Stavropol region, Northern Caucasus, Russia...

...Fig. 1 Intergrowth of greenish-yellow meitnerite tablets (centre) on and surrounded by yellowish-green beshtauite with gypsum on quartz. The field of view is 0.8 mm across. (Online version in colour) ...

... and contains diverse secondary uranium mineralization ( Belova and Tseitlin 1959 ; Lavrishchev et al. 2011 ). In particular, the Beshtau deposit is the type locality of two secondary U minerals: lermontovite, U 4+ (PO 4 )·H 2 O ( Melkov 1958 ; Melkov et al. 1983 ) and beshtauite, (NH 4 ) 2 (UO 2 )(SO 4 ) 2...

... beshtauite, (NH 4 ) 2 (UO 2 )(SO 4 ) 2 (H 2 O) 2 ( Pekov et al. 2014 ), which contains a topology closely related to that of geschieberite—the only difference being an alternating directionality of equatorial H 2 O groups in their sheets. The cause of this subtle topological “flip” is unknown and, although...

.... and Pushcharovsky, D.Y. (2013) Grigorievite, IMA 2012-047. CNMNC Newsletter No. 15, February 2013, page 15; Mineralogical Magazine , 77 , 1–12. IMA No. 2012-048 Hatertite Na 2 (Ca,Na)(Fe 3+ ,Cu) 2 (AsO 4 ) 3 IMA No. 2012-051 Beshtauite (NH 4 ) 2 (UO 2 )(SO 4 ) 2 ·2H 2 O Gremuchka...

... . Pekov, I.V., Krivovichev, S.V., Yapaskurt, V.O., Chukanov, N.V., & Belakovskiy, D.I. (2014) Beshtauite, (NH 4 ) 2 (UO 2 )(SO 4...

... on combustion products from burning coal dumps . European Journal of Mineralogy , 32 , 215 – 217 . Pekov I.V. , Krivovichev S.V. , Yapaskurt V.O. , Chukanov N.V. and Belakovskiy D.I. ( 2014 ) Beshtauite, (NH 4 ) 2 (UO 2 )(SO 4 ) 2 ⋅2H 2 O, a new mineral from Mount Beshtau...

.... Greenlizardite is a rare mineral, found in association with ammoniozippeite, boussingaultite, dickite and a potentially new Mg uranyl sulfate mineral, currently under study. Other secondary minerals found in the Green Lizard mine assemblage include beshtauite, calcite, gypsum, fermiite, johannite, natrozippeite...

... S.V. , Yapaskurt V.O. , Chukanov N.V. and Belakovskiy D.I. ( 2014 ) Beshtauite, (NH 4 ) 2 (UO 2 )(SO 4 ) 2...

... the organic matter that acted as a redundant in the primary mineralizing process. Meitnerite is quite rare and occurs on quartz in association with beshtauite and gypsum. The new mineral occurs as intergrowths of tabular crystals up to about 80 μm in diameter and 30 μm thick. Crystals are flattened on {01 1...

... mines. At the Green Lizard mine, it is usually found on sandstone and is associated with calcite, gypsum, plášilite, pyrite, rozenite and sulfur. Other secondary minerals thus far found in the Green Lizard mine assemblage include beshtauite, boussingaultite, fermiite, johannite, natrozippeite...

...., Chukanov, N.V., & Belakovskiy, D.I. (2014) Beshtauite, (NH 4 ) 2 (UO 2 )(SO 4 ) 2 .2H 2 O, a new mineral from Mount Beshtau, Northern Caucasus, Russia . American Mineralogist 99 , 1783 – 1789...

... of Applied Crystallography , 41 , 975 – 984 . Pekov I.V. Krivovichev S.V. Yapaskurt V.O. Chukanov N.V. Belakovskyi D.I. ( 2014 ) Beshtauite, (NH 4 ) 2 (UO 2 )(SO 4 ) 2 ·2H 2 O, a new mineral from Mount Beshtau, Northern Caucasus, Russia . American Mineralogist , 99...

... , 173 – 182 . Pekov , I.V. , Krivovichev , S.V. , Yapaskurt , V.O. , Chukanov , N.V. and Belakovskiy , D.I. ( 2014 ) Beshtauite, (NH 4 ) 2 (UO 2 )(SO 4 ) 2 ·2H 2 O, a new mineral from Mount Beshtau, Northern Caucasus, Russia . American Mineralogist , 99 , 1783 – 1787...

... with calcite, gypsum, plášilite, pyrite, rozenite, sulfur, beshtauite, boussingaultite, fermiite, johannite, natrozippeite, oppenheimerite, wetherillite, and several other potentially new uranyl sulfate minerals, currently under study. At the Giveaway-Simplot mine, shumwayite usually found on asphaltum...

..., dickite, and an unknown Mg uranyl sulfate (under study). Other secondary minerals of the assemblage include beshtauite, calcite, gypsum, fermiite, johannite, natrozippeite, oppenheimerite, plášilite, rozenite, shumwayite, sulfur and wetherillite. The general geology and mineral-ogy are similar...