NASHITE, Na3Ca2[(V4+V5+9)O28]{middle dot}24H2O, A NEW MINERAL SPECIES FROM THE YELLOW CAT MINING DISTRICT, UTAH AND THE SLICK ROCK MINING DISTRICT, CO... 12 Jun 2013 | 02:11 am

DETRITAL PLATINUM-GROUP MINERALS IN RIVERS DRAINING THE GREAT DYKE, ZIMBABWE 12 Jun 2013 | 02:11 am

The present work focuses on the description of the assemblage of detrital platinum-group minerals (PGM) found in rivers draining the Great Dyke. This PGM assemblage distinctly contrasts with the suite...

CRYSTAL STRUCTURE AND MAGNETIC PROPERTY OF SYNTHETIC GENGENBACHITE, KH8(Fe2.66Al0.34)(PO4)6{middle dot}6H2O 12 Jun 2013 | 02:11 am

Synthetic gengenbachite, KH8(Fe2.66Al0.34)(PO4)6·6H2O, has been prepared hydrothermally at 423–393 K. Single-crystal X-ray structure refinements (R1 = 0.035 for 1838 [I > 2(I)] unique reflections and ...

HYDROGEN BONDING IN THE CRYSTAL STRUCTURE OF LEGRANDITE: Zn2(AsO4)(OH)(H2O) 12 Jun 2013 | 02:11 am

The crystal structure of legrandite -- Zn2(AsO4)(OH)(H2O), monoclinic, a 12.8052(3), b 7.9249(2), c 10.2173(2) Å, β 104.4329(3)°, V 1004.13(6) Å3, space group P21/c, Z = 2 -- has been refined to an R1...

THE CRYSTAL STRUCTURE OF YOFORTIERITE 12 Jun 2013 | 02:11 am

The crystal structure of yofortierite, (Mn2+,Mg,Fe3+,)5Si8O20(OH,H2O)2(H2O)7, monoclinic, C2/m, Z = 4, a 14.1686(12), b 17.8583(16), c 5.2919(5) Å, β 105.878(1)°, V 1287.9(3) Å3, has been refined to R...

THE PAGONI RACHI/KIRKI Cu-Mo{+/-}Re{+/-}Au DEPOSIT, NORTHERN GREECE: MINERALOGICAL AND FLUID INCLUSION CONSTRAINTS ON THE EVOLUTION OF A TELESCOPED PO... 12 Jun 2013 | 02:11 am

The Pagoni Rachi/Kirki Cu-Mo ± Re ± Au deposit is a telescoped porphyry-epithermal system that contains molybdenite with up to 4.7 wt.% Re and the rare mineral rheniite (ReS2). The deposit is spatiall...

FERROCHIAVENNITE, A NEW BERYLLIUM SILICATE ZEOLITE FROM SYENITE PEGMATITES IN THE LARVIK PLUTONIC COMPLEX, OSLO REGION, SOUTHERN NORWAY 12 Jun 2013 | 02:11 am

Ferrochiavennite is a new beryllium silicate zeolite with chemical composition close to Ca1–2FeSi5Be2O13(OH)2·2H2O. It is described from two syenite pegmatite localities in Norway: Blåfjell, Langangen...

WERNERBAURITE, {[Ca(H2O)7]2(H2O)2(H3O)2}{V10O28}, AND SCHINDLERITE, {[Na2(H2O)10](H3O)4}{V10O28}, THE FIRST HYDRONIUM-BEARING DECAVANADATE MINERALS 12 Jun 2013 | 02:11 am

Wernerbaurite, {[Ca(H2O)7]2(H2O)2(H3O)2}{V10O28}, and schindlerite, {[Na2(H2O)10](H3O)4}{V10O28}, are new mineral species from the St. Jude mine, Slick Rock district, San Miguel County, Colorado, U.S....

NACARENIOBSITE-(Ce) AND BRITHOLITE-(Ce) IN PERALKALINE GRANITES FROM THE MORRO REDONDO COMPLEX, GRACIOSA PROVINCE, SOUTHERN BRAZIL: OCCURRENCE AND COM... 12 Jun 2013 | 02:11 am

Nacareniobsite-(Ce), Na3Ca3(REE)Nb(Si2O7)2OF3, and britholite-(Ce), (Na,Ca,REE)10(Si,P)6O24(OH,F)2, formed during the late stages of crystallization of the most evolved peralkaline granites from the M...

CHEVKINITE-GROUP MINERALS IN UK PALAEOGENE GRANITES: UNDERESTIMATED REE-BEARING ACCESSORY PHASES 12 Jun 2013 | 02:11 am

Chevkinite-group minerals were sought in 26 granitic bodies from the Palaeogene sequences of Scotland and Northern Ireland, ranging from biotite ± amphibole granites through fayalite-ferrohedenbergite...