Mineralogy and crystallography of uranium

SV Krivovichev, J Plášil - 2013 - pubs.geoscienceworld.org
Uranium minerals have been known since the discovery of U by Martin Heinrich Klaproth
1789, in when he obtained yellow powder of UO 3 from Saxonian pitchblende. However …

A revised and expanded structure hierarchy of natural and synthetic hexavalent uranium compounds

AJ Lussier, RAK Lopez… - The Canadian …, 2016 - pubs.geoscienceworld.org
Over the past four decades, the number of inorganic oxide and oxy-salt phases containing
stoichiometric quantities of hexavalent uranium has increased exponentially from a few …

Uranium

I Grenthe, J Drożdżynński, T Fujino, EC Buck… - The chemistry of the …, 2006 - Springer
By 1911, the atomic weight of uranium had been refined to 238.5 (Gmelin, vol. A2, 1980a).
The natural isotope 235 U was discovered in 1935 by mass spectrometry. The artificial …

Mineralogy, crystallography and structural complexity of natural uranyl silicates

J Plášil - Minerals, 2018 - mdpi.com
Naturally occurring uranyl silicates are common constituents of the oxidized parts (ie,
supergene zone) of various types of uranium deposits. Their abundance reflects the …

Molecular structure of the uranyl silicates—A Raman spectroscopic study

RL Frost, J Čejka, ML Weier… - Journal of Raman …, 2006 - Wiley Online Library
Raman spectroscopy has been used to study the molecular structure of a series of selected
uranyl silicate minerals including uranophane, sklodowskite, cuprosklodowskite, boltwoodite …

The layered uranyl silicate mineral uranophane-β: Crystal structure, mechanical properties, Raman spectrum and comparison with the α-polymorph

F Colmenero, J Plášil, J Sejkora - Dalton Transactions, 2019 - pubs.rsc.org
The crystal structure, elastic properties and the Raman spectrum of the layered calcium
uranyl silicate pentahydrate mineral uranophane-β, Ca (UO2) 2Si2O6 (OH) 2· 5H2O, are …

[图书][B] Минеральные виды

В Кривовичев - 2022 - books.google.com
В монографии рассматривается приложение концепции минеральных систем для
количественной оценки сходства и различия геологических объектов и эволюции …

Structural, mechanical and Raman spectroscopic characterization of the layered uranyl silicate mineral, uranophane-α, by density functional theory methods

F Colmenero, V Timón, LJ Bonales, J Cobos - Clay Minerals, 2018 - cambridge.org
The layered uranyl silicate clay-like mineral, uranophane-α, Ca (UO2) 2 (SiO3OH) 2· 5H2O,
was studied by first-principles calculations based on the density functional theory method …

Synthesis and structure of the new pentanary uranium (vi) silicate, K 4 CaUSi 4 O 14, a member of a structural family related to fresnoite

G Morrison, MD Smith, TT Tran, PS Halasyamani… - …, 2015 - pubs.rsc.org
Single crystals of K4CaUSi4O14 have been grown from a eutectic CaF2–KF flux.
K4CaUSi4O14 crystallizes in a new structure which exhibits a 49-fold superstructure …

A Raman and infrared spectroscopic study of the uranyl silicates—Weeksite, soddyite and haiweeite: Part 2

RL Frost, J Čejka, ML Weier, W Martens - Spectrochimica Acta Part A …, 2006 - Elsevier
Raman spectroscopy has been used to study the molecular structure of a series of selected
uranyl silicate minerals including weeksite K2 [(UO2) 2 (Si5O13)]· H2O, soddyite [(UO2) …