Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Quintinite"'
Publikováno v:
Crystals, Vol 13, Iss 5, p 839 (2023)
The crystal structure of quintinite, Mg4Al2(OH)12(CO3)·3H2O, from the Jacupiranga alkaline complex (Cajati, São Paulo, Brazil), was refined for two samples (91002 and C7029) using single-crystal X-ray diffraction data. The mineral crystallizes in t
Externí odkaz:
https://doaj.org/article/30ee1d7ae4a84b8996fe0213fc434229
Akademický článek
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Akademický článek
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Autor:
Gregory Yu. Ivanyuk, Julia A. Mikhailova, Sergey V. Krivovichev, Elena S. Zhitova, Yakov A. Pakhomovsky, Viktor N. Yakovenchuk
Publikováno v:
Mineralogical Magazine. 82:329-346
Two quintinite polytypes, 3Rand 2T, which are new for the Kovdor alkaline-ultrabasic complex, have been structurally characterized. The crystal structure of quintinite-2Twas solved by direct methods and refined toR1= 0.048 on the basis of 330 unique
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06897985fe5a6daf5188b31e3dec3445
https://doi.org/10.1180/minmag.2017.081.046
https://doi.org/10.1180/minmag.2017.081.046
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Melcherite (IMA2015-018), ideally Ba2Na2Mg[Nb6O19]·6H2O, occurs as a vug mineral in the carbonatite of the Jacupiranga mine, Cajati county, São Paulo state, Brazil, associated with dolomite, calcite, magnetite, pyrrhotite, tochilinite, ‘pyrochlor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b109039ce7f8945c39a3dba54564385c
https://doi.org/10.1180/minmag.2017.081.026
https://doi.org/10.1180/minmag.2017.081.026
Akademický článek
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Autor:
Elena S. Zhitova, H. Christopher Greenwell, Igor V. Pekov, M. G. Krzhizhanovskaya, David C. Apperley, Victor N. Yakovenchuk
Publikováno v:
Minerals
Volume 10
Issue 11
Minerals, Vol 10, Iss 961, p 961 (2020)
Minerals, 2020, Vol.10(11), pp.961 [Peer Reviewed Journal]
Volume 10
Issue 11
Minerals, Vol 10, Iss 961, p 961 (2020)
Minerals, 2020, Vol.10(11), pp.961 [Peer Reviewed Journal]
In Situ high-temperature powder X-ray diffraction experiments were undertaken for the coarse crystalline natural layered double hydroxides (LDHs) quintinite, hydrotalcite, stichtite, and iowaite in the temperature range 25&ndash
1000 °
C
1000 °
C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99d52ff91f03e865ccf8db6f666903c5
https://doi.org/10.3390/min10110961
https://doi.org/10.3390/min10110961
Autor:
Elena S. Zhitova, Natalia S. Vlasenko, M. P. Popov, Sergey V. Krivovichev, Anatoly N. Zaitsev
Publikováno v:
Geology of Ore Deposits. 59:745-751
The paper describes the first finding of quintinite [Mg4Al2(OH)12][(CO3)(H2O)3] at the Mariinsky deposit in the Central Urals, Russia. The mineral occurs as white tabular crystals in cavities within altered gabbro in association with prehnite, calcit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f360360a15d52e42f6040d0d0374f858
https://doi.org/10.1134/s1075701517080116
https://doi.org/10.1134/s1075701517080116
Publikováno v:
RSC advances. 9(48)
Comparison of layered double hydroxides (LDHs) synthesised using different methods, conditions and post-treatment is difficult to achieve because these greatly modify their material properties. This paper aims to provide a comparison of material prop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04e5fe3d250b51740b717ea222b3f54f
https://pubmed.ncbi.nlm.nih.gov/35530444
https://pubmed.ncbi.nlm.nih.gov/35530444
Publikováno v:
Minerals
Volume 9
Issue 4
Minerals, Vol 9, Iss 4, p 221 (2019)
Volume 9
Issue 4
Minerals, Vol 9, Iss 4, p 221 (2019)
Chlormagaluminite is the only Cl-dominated hydrotalcite-supergroup mineral species with M2+:M3+ = 2:1. The holotype sample of chlormagaluminite from the Kapaevskaya volcanic pipe (Irkutsk Oblast, Siberia, Russia) has been chemically and structurally
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9ef7104f5d1d9f83b527484b7a133c5