Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Alan J. Criddle"'
Publikováno v:
European Journal of Mineralogy. 28:979-990
Honeaite, ideal formula Au3TlTe2, is a new mineral from the late Archaean Karonie gold deposit, Eastern Goldfields province, Western Australia. Honeaite is found with native gold, tellurobismuthite, petzite, hessite, calaverite, melonite, mattagamite
Publikováno v:
The Canadian Mineralogist. 50:341-351
Five specimens of “dognacskaite” from Dognecea (Caras-Severin County, Banat, Romania), a poorly described substance, once considered a Cu–Bi sulfosalt, were studied by ore microscopy, SEM, EPMA, and XRPD methods. One of the specimens is probabl
Publikováno v:
Swiss Journal of Geosciences. 100:495-502
Original parajamesonite samples of Zsivny & Náray-Szabó (1947) and other authentic museum specimens containing the same material were studied by ore microscopy, electron probe microanalysis (EPMA) and X-ray powder diffraction (XRPD). The "parajames
Autor:
Joël Brugger, Alan J. Criddle, François Bussy, Nicolas Meisser, Michel Bonin, Kurt Schenk, Peter Berlepsch, Philippe Thélin
Publikováno v:
The Canadian Mineralogist. 45:1229-1245
Pizgrischite, (Cu,Fe)Cu14PbBi17S35, is a new mineral species named after the type locality, Piz Grisch Mountain, Val Ferrera, Graubunden, Switzerland. This sulfosalt occurs as thin, striated, metallic lead-grey blades measuring up to I cm in length,
Autor:
Alan J. Criddle, J. T. Szymanski, Andrew C. Roberts, Chris J. Stanley, John Spratt, Mark D. Welch
Publikováno v:
Mineralogical Magazine. 69:447-453
Kingstonite, ideally Rh3S4, is a new mineral from the Bir Bir river, Yubdo District, Wallaga Province, Ethiopia. It occurs as subhedral, tabular elongate to anhedral inclusions in a Pt-Fe nugget with the associated minerals isoferroplatinum, tetrafer
Publikováno v:
Mineralogical Magazine. 68:231-240
Petewilliamsite, ideally (Ni,Co)30(As2O7)15, monoclinic, space group C2, a = 33.256(5), b = 8.482(1), c = 14.191(2) Å, ß = 104.145(3)°, V = 3881.6(11) Å3, a:b:c = 3.9209:1:1.6731, Z = 2, is a new mineral found on a single nickeline-veined quartz
Publikováno v:
Mineralogical Magazine. 68:241-245
Aurivilliusite, ideally Hg2+Hg1+OI, is monoclinic, C 2/c, with unit-cell parameters refined from X-ray powder data: a= 17.580(6), b= 6.979(1), c= 6.693(3)Å, β = 101.71(4)°, V = 804.0(5)Å3, a:b:c= 2.5190:1:0.9590,Z = 8. The strongest six lines of
Autor:
Hans-Jürgen Förster, J. H. Gilles Laflamme, Mark A. Cooper, Frank C. Hawthorne, Alan J. Criddle, Andrew C. Roberts, Gerhard Tischendorf, Chris J. Stanley
Publikováno v:
The Canadian Mineralogist. 41:1433-1444
Schlemaite, with the simplified formula (Cu,)6(Pb,Bi)Se4, is a new mineral species from the Niederschlema-Alberoda vein-type uranium deposit at Hartenstein, Erzgebirge, Germany. It occurs as anhedral to subhedral grains with no obvious forms or twinn
Publikováno v:
Mineralogical Magazine. 67:31-46
The exact nature of tripuhyite remains controversial more than 100 years after the first description of the mineral. Different stoichiometries and crystal structures (rutile or tri-rutile types) have been suggested for this Fe-Sb-oxide. To address th
Publikováno v:
The Canadian Mineralogist. 40:1191-1198
Sewardite, ideally CaFe 3+ 2 (AsO 4 ) 2 (OH) 2 , is orthorhombic, Cccm , with unit-cell parameters derived from a crystal-structure refinement: a 16.461(2), b 7.434(1), c 12.131(2) A, V 1484.5(6) A 3 , a:b:c 2.2143:1:1.6318, Z = 8. The strongest nine