Zobrazeno 1 - 10
of 161
pro vyhledávání: '"John M. Hughes"'
Publikováno v:
Crystals, Vol 12, Iss 9, p 1221 (2022)
The crystal structure of magnussonite, ideally Mn2+18[As3+6(Mn1+x)O18]2[(H2O, Clx, ☐) (H2O, ☐)]2, from Långban, Sweden, was refined to an R1-index of 1.19% and the structure proposed by Moore and Araki (1979) is confirmed. Magnussonite has a den
Externí odkaz:
https://doaj.org/article/312aeef21cdb4a998e3f03511b8d4893
Publikováno v:
The Canadian Journal of Mineralogy and Petrology. 61:189-202
The new minerals redmondite (IMA2021–072), [Pb8O2Zn(OH)6](S2O3)4, hydroredmondite (IMA2021–073), [Pb8O2Zn(OH)6](S2O3)4·2H2O, and sulfatoredmondite (IMA2021–089), [Pb8O2Zn(OH)6](SO4)4·6H2O, were found in the Redmond mine, Haywood County, North
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ec643aca4295c01a5ce8e0c8cb1a143
https://doi.org/10.3749/2200059
https://doi.org/10.3749/2200059
Publikováno v:
American Mineralogist. 107:2143-2149
Pomite (IMA2021-063), ideally Ca3[V54+V105+O37(CO3)]·37H2O, and pseudopomite (IMA2021-064), ideally Ca3.5[V64+V95+O37(CO3)]·32H2O, are two new polyoxometalate minerals from the Blue Streak mine, Bull Canyon, Montrose County, Colorado, U.S.A. Pomite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::445f49cb6660089f9e5dbf08953ccc64
https://doi.org/10.2138/am-2022-8335
https://doi.org/10.2138/am-2022-8335
Publikováno v:
The Canadian Mineralogist. 60:797-804
Pseudodickthomssenite (IMA2021-027), Mg(VO3)2·8H2O, is a new mineral discovered at the Pickett Corral mine, Bull Canyon, Montrose County, Colorado, USA. The mineral formed from the oxidation of montroseite-corvusite assemblages in a moist environmen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e1c7fba46278026fed4166d56ee2e91
https://doi.org/10.3749/canmin.2200012
https://doi.org/10.3749/canmin.2200012
Publikováno v:
The Canadian Mineralogist. 60:787-795
Nitroplumbite (IMA2021-045a), [Pb4(OH)4](NO3)4, is a new mineral discovered at the Burro mine, Slick Rock district, San Miguel County, Colorado, USA. It occurs in a secondary efflorescent assemblage on asphaltite and montroseite- and corvusite-bearin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::107e5d5f4274be69fd66badad52cd495
https://doi.org/10.3749/canmin.2200009
https://doi.org/10.3749/canmin.2200009
Autor:
Anthony R. Kampf, Mark A. Cooper, John M. Hughes, Chi Ma, William H. Casey, Frank C. Hawthorne, Joe Marty
Publikováno v:
American Mineralogist. 107:1181-1189
Protocaseyite, [Al4(OH)6(H2O)12][V10O28]·8H2O, is a new mineral (IMA2020-090) occurring in low-temperature, post-mining, secondary mineral assemblages at the Burro mine, Slick Rock district, San Miguel County, Colorado, U.S.A. Crystals of protocasey
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b843acaeff30c4168bada0a0f33391d
https://doi.org/10.2138/am-2022-8059
https://doi.org/10.2138/am-2022-8059
Publikováno v:
The Canadian Mineralogist. 60:543-554
Donowensite (IMA2020-067), Ca(H2O)3Fe3+2(V2O7)2, and mikehowardite (IMA2020-068), Fe3+4(VO4)4(H2O)2·H2O, are intimately associated new secondary minerals from the Wilson Springs vanadium mine, Wilson Springs, Arkansas, USA. Donowensite has the follo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c666aac7a0da4d9ba57aa85296998b53
https://doi.org/10.3749/canmin.210015
https://doi.org/10.3749/canmin.210015
Publikováno v:
The Canadian Mineralogist. 60:341-359
The decavanadate isopolyanion, [V10O28]6–, is a constituent of pascoite-family vanadate minerals and synthetic materials, and both protonated, [HxV10O28](6–x)–, and mixed-valence, [V4+xV5+10–x)O28](6+x)–, varieties have been described. Here
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c22a2906dd8d724a6ffe4f946e4a5c03
https://doi.org/10.3749/canmin.2100051
https://doi.org/10.3749/canmin.2100051
Autor:
Anthony R. Kampf, Mark A. Cooper, Frank C. Hawthorne, John M. Hughes, Barbara P. Nash, Paul M. Adams
Publikováno v:
The Canadian Mineralogist. 60:361-368
Gunterite was originally assigned the ideal formula Na4[H2V10O28]·22H2O. More detailed bond-valence analysis brought into question the presence of a protonated decavanadate anion, which led to the reexamination of the mineral. Infrared spectroscopy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63f3be4dfe61b0e5242ef0e5dadb8e49
https://doi.org/10.3749/canmin.2100054
https://doi.org/10.3749/canmin.2100054
Autor:
Andreas Ertl, John M. Hughes, Stefan Prowatke, Thomas Ludwig, Christian L. Lengauer, Hans-Peter Meyer, Gerald Giester, Uwe Kolitsch, Albert Prayer
Publikováno v:
American Mineralogist. 107:157-166
Alumino-oxy-rossmanite, ideally ☐Al3Al6(Si5AlO18)(BO3)3(OH)3O, is here described as a new member of the tourmaline supergroup. It is an early magmatic Al-rich oxy-tourmaline from a small pegmatitic body embedded in amphibolite and biotite-rich para
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e1d8192bc769222c4bd274127063f3e
https://doi.org/10.2138/am-2022-8047
https://doi.org/10.2138/am-2022-8047