La ricerca ha trovato 26911 risultati

da Marco E. Ciriotti
dom 26 set, 2021 14:35
Forum: Sistematica e classificazione
Argomento: IMA 2021-041 = kiryuite
Risposte: 0
Visite : 29

IMA 2021-041 = kiryuite

Limitate informazioni su questa nuova specie minerale son su alcune pagine del web.
La formula è NaMn2+Al(PO4)F3. The Mn2+ analogue of viitaniemiite, NaCaAl(PO4)F3.

La località-tipo è Kiryū, Gumma, Kanto, Japan.

Nishio-Hamane D., Ikari I., Ohara Y.
da Marco E. Ciriotti
sab 25 set, 2021 22:02
Forum: Sistematica e classificazione
Argomento: Where is the hydrogen?
Risposte: 0
Visite : 30

Where is the hydrogen?

Elements volume 17 (3) è dedicato a "Exploring Earth and Planetary Materials with Neutrons". Tra gli articoli segnalo: ▪ Gatta, C.D., Hradil, K., Meven, M. (2021): Where is the Hydrogen? Elements , 17 , 163-168. Abstract: How is hydrogen distributed among minerals and how is it bonded in their crys...
da Marco E. Ciriotti
sab 25 set, 2021 19:48
Forum: Sistematica e classificazione
Argomento: Molybdenum disorder in hydrated sedovite
Risposte: 0
Visite : 22

Molybdenum disorder in hydrated sedovite

Referenza: ▪ Steciuk G., Kiefer, B., Hornfeck, W., Kasatkin, A.V., Plášil, J. (2021): Molybdenum Disorder in Hydrated Sedovite, Ideally U(MoO4)2· n H2O, a Microporous Nanocrystalline Mineral Characterized by Three-Dimensional Electron Diffraction, Density Functional Theory Computations, and Complexi...
da Marco E. Ciriotti
sab 25 set, 2021 14:01
Forum: Sistematica e classificazione
Argomento: Revisions of the crystal structures of matildite, AgBiS2, and christite, TlHgAsS3
Risposte: 0
Visite : 23

Revisions of the crystal structures of matildite, AgBiS2, and christite, TlHgAsS3

Referenza: Kolitsch, U., Topa, D., Giester, G. (2021): Revisions of the crystal structures of matildite, AgBiS2, and christite, TlHgAsS3. Poster, MinPet 2021, Vienna, Austria, September 19-21, 2021; Mitteilungen der Österreichischen Mineralogischen Gesellschaft , 167 , 118. Abstract: Results of a cr...
da Marco E. Ciriotti
sab 25 set, 2021 13:49
Forum: Sistematica e classificazione
Argomento: Revision of the crystal structure of rhabdophane-(Ce)
Risposte: 0
Visite : 22

Revision of the crystal structure of rhabdophane-(Ce)

Referenza: ▪ Kolitsch, U. (2021): Revision of the crystal structure of rhabdophane-(Ce). Poster, MinPet 2021, Vienna, Austria, September 19-21, 2021; Mitteilungen der Österreichischen Mineralogischen Gesellschaft, 167 , 116. Abstract: The crystal structure of rhabdophane, ideally CePO4·H2O according...
da Marco E. Ciriotti
sab 25 set, 2021 13:44
Forum: Sistematica e classificazione
Argomento: (Ag4.38Cu2.62)S7.00AsS5: A new silver-copper sulphosalt from the Bou Azzer Mining District, Morocco
Risposte: 0
Visite : 22

(Ag4.38Cu2.62)S7.00AsS5: A new silver-copper sulphosalt from the Bou Azzer Mining District, Morocco

Referenza: ▪ Kolitsch, U. & Topa, D. (2021): (Ag4.38Cu2.62)S7.00AsS5: A new silver-copper sulphosalt from the Bou Azzer Mining District, Morocco. Poster, MinPet 2021, Vienna, Austria, September 19-21; Mitteilungen der Österreichischen Mineralogischen Gesellschaft, 167 , 117. Abstract: We have charac...
da Marco E. Ciriotti
sab 25 set, 2021 13:37
Forum: Sistematica e classificazione
Argomento: Reinvestigation of the crystal structure of guérinite: new formula
Risposte: 0
Visite : 23

Reinvestigation of the crystal structure of guérinite: new formula

Referenza: ▪ Liebhart, I., Rieck, B., Giester, G. (2021): Contributions to the crystal structure of guérinite from the Lavrion mining district, Greece. Poster, MinPet 2021, Vienna, Austria, September 19-21, 2021; Mitteilungen der Österreichischen Mineralogischen Gesellschaft , 167 , 124. Crystal fro...
da Marco E. Ciriotti
sab 25 set, 2021 13:33
Forum: Sistematica e classificazione
Argomento: IMA 2020-073 = devilliersite
Risposte: 0
Visite : 23

IMA 2020-073 = devilliersite

Prime informazioni in: Referenza: ▪ Krüger, B., Krüger, H., Galuskina, I. O., Galuskin E. L., Vapnik, Y. (2021): The crystal structure of the new mineral devilliersite Ca4Ca2Fe3+10O4[(Fe3+10Si2)O36]. Poster, MinPet 2021, Vienna, Austria, September 19-21, 2021 ; Mitteilungen der Österreichischen Mine...
da Marco E. Ciriotti
sab 25 set, 2021 13:25
Forum: Sistematica e classificazione
Argomento: IMA 2018-131 = kollerite
Risposte: 0
Visite : 23

IMA 2018-131 = kollerite

Una prima informazione (un abstract ) sulla specie è in: Referenza: ▪ Ende, M., Effenberger, H., Fehér, B., Sajó, I., Kótai, L., Szakáll, S. (2021): Kollerite, (NH4)2Fe3+(SO3)2(OH)·H2O, a new sulfite mineral. Mitteilungen der Österreichischen Mineralogischen Gesellschaft , 167 , 88 (abs.). Altro in:...
da Marco E. Ciriotti
sab 25 set, 2021 11:42
Forum: Sistematica e classificazione
Argomento: Information entropy in chemistry: An overview
Risposte: 0
Visite : 21

Information entropy in chemistry: An overview

Referenza: ▪ Sabirov, D. & Shepelevich, I.S. (2021): Information Entropy in Chemistry: An Overview. Entropy , 23 , 1240. Abstract: Basic applications of the information entropy concept to chemical objects are reviewed. These applications deal with quantifying chemical and electronic structures of mo...
da Marco E. Ciriotti
ven 24 set, 2021 20:03
Forum: Sistematica e classificazione
Argomento: Supergene Pb-Cu-(Sb) mineral assemblage in abandoned epithermal deposit Rudno nad Hronom, Slovakia
Risposte: 0
Visite : 21

Supergene Pb-Cu-(Sb) mineral assemblage in abandoned epithermal deposit Rudno nad Hronom, Slovakia

Referenza: ▪ Vlasáč, J., Mikuš, T., Ondrejka, M., Tuček, P. (2021): Supergene Pb-Cu-(Sb) mineral assemblage in abandoned epithermal deposit Rudno nad Hronom, Slovakia. Acta Geologica Slovaca , 13 , 107-118. Abstract: An unusual assemblage of Pb-Cu-(Sb)-(Mn) supergene minerals, represented by mottram...
da Marco E. Ciriotti
ven 24 set, 2021 9:57
Forum: Sistematica e classificazione
Argomento: Crandallite-rich beds of the Libkovice Member, Most Basin, Czech Republic
Risposte: 0
Visite : 18

Crandallite-rich beds of the Libkovice Member, Most Basin, Czech Republic

Referenza: ▪ Mach, K., Rapprich, V., Faměra, M., Havelcová, M., Grygar, T.M., Novotný, T., Řehoř, M., Kochergina, Y.V.E. (2021): Crandallite-rich beds of the Libkovice Member, Most Basin, Czech Republic: climatic extremes or paleogeographic changes at the onset of the Miocene Climatic Optimum? Geolo...
da Marco E. Ciriotti
ven 24 set, 2021 9:51
Forum: Sistematica e classificazione
Argomento: Boron isotope composition of coexisting tourmaline and hambergite in alkaline and granitic pegmatites
Risposte: 0
Visite : 16

Boron isotope composition of coexisting tourmaline and hambergite in alkaline and granitic pegmatites

Referenza: ▪ Sunde, Ø., Friis, H., Andersen, T., Trumbull, R.B., Wiedenbeck, M., Lyckberg, P., Agostini, S., Casey, W.H., Yu, P. (2020): Boron isotope composition of coexisting tourmaline and hambergite in alkaline and granitic pegmatites. Lithos , 352–353 , 105293. Abstract: The boron isotopic comp...
da Marco E. Ciriotti
ven 24 set, 2021 9:44
Forum: Sistematica e classificazione
Argomento: Chromitites from the Vavdos ophiolite (Chalkidiki, Greece): PGE mineralogy and geochemistry
Risposte: 0
Visite : 17

Chromitites from the Vavdos ophiolite (Chalkidiki, Greece): PGE mineralogy and geochemistry

Referenza: ▪ Sideris, A., Zaccarini, F., Koutsovitis, P., Hatzipanagiotou, K. (2021): Chromitites from the Vavdos ophiolite (Chalkidiki, Greece): Petrogenesis and geotectonic settings; constrains from spinel, olivine composition, PGE mineralogy and geochemistry. Ore Geology Reviews , 137 , 104289. A...
da Marco E. Ciriotti
ven 24 set, 2021 9:39
Forum: Sistematica e classificazione
Argomento: Ln3+ (Ln3+ = La, Nd, Eu, Yb) incorporation in synthetic tourmaline analogues: Towards tourmaline REE pattern explanation
Risposte: 0
Visite : 15

Ln3+ (Ln3+ = La, Nd, Eu, Yb) incorporation in synthetic tourmaline analogues: Towards tourmaline REE pattern explanation

Referenza: ▪ Vereshchagin, O., Britvin, S., Wunder, B., Frank-Kamenetskaya, O.V., Wilke, F.D.H., Vlasenko, N.S., Shilovskikh, V.V., Bocharov, V., Danilov, D. (2022): Ln3+ (Ln3+ = La, Nd, Eu, Yb) incorporation in synthetic tourmaline analogues: Towards tourmaline REE pattern explanation. Chemical Geo...