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Thermoelasticity, cation exchange, and deprotonation in Fe-rich holmquistite: Toward a crystal-chemical model for the high-temperature behavior of orthorhombic amphiboles

Autor: Oberti R.[1], Boiocchi M.[2], Zema M.[1

Publikováno v: The American mineralogist 104 (2019): 1829–1839. doi:10.2138/am-2019-6966
info:cnr-pdr/source/autori:Oberti R.[1], Boiocchi M.[2], Zema M.[1,3]/titolo:Thermoelasticity, cation exchange, and deprotonation in Fe-rich holmquistite: Toward a crystal-chemical model for the high-temperature behavior of orthorhombic amphiboles/doi:10.2138%2Fam-2019-6966/rivista:The American mineralogist/anno:2019/pagina_da:1829/pagina_a:1839/intervallo_pagine:1829–1839/volume:104

The thermoelastic behavior of a crystal of Fe-rich holmquistite with crystal-chemical formula A(K0.01Na0.01)B(Li1.88Mg0.10Na0.02)C(Mg1.68Fe1.422+Mn0.022+Al1.88)TSi8.00O22W[(OH)1.97F0.03] was studied by single-crystal X-ray diffraction at temperatures

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3eaa8895c4286c31b31ee7d0de11410a
https://doi.org/10.2138/am-2019-6966

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The crystal structure of beryllonite from the type locality and comparison with isopointal structures

Autor: Callegari A.M.[1], Boiocchi M.[2], Zema M.[1, Tarantino S.C.[3

Publikováno v: Neues Jahrbuch für Mineralogie. Abhandlungen 197 (2021): 107–119. doi:10.1127/njma/2021/0259
info:cnr-pdr/source/autori:Callegari A.M.[1], Boiocchi M.[2], Zema M.[1,3], Tarantino S.C.[3,4]/titolo:The crystal structure of beryllonite from the type locality and comparison with isopointal structures/doi:10.1127%2Fnjma%2F2021%2F0259/rivista:Neues Jahrbuch für Mineralogie. Abhandlungen/anno:2021/pagina_da:107/pagina_a:119/intervallo_pagine:107–119/volume:197

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Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::638ab34cd3e1679869c5b00b9d9be1ea
https://www.schweizerbart.de/journals/njma

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Sulfate-bearing clay and Pietra Serena sludge: Raw materials for the development of alkali activated binders

Autor: Occhipinti R.[1], Fernandez-Jimenez A.M.[2], Palomo A.[2], Tarantino S.C.[3, Zema M.[1

Publikováno v: Construction & building materials 301 (2021): 1–12. doi:10.1016/j.conbuildmat.2021.124030
info:cnr-pdr/source/autori:Occhipinti R.[1], Fernandez-Jimenez A.M.[2], Palomo A.[2], Tarantino S.C.[3,4], Zema M.[1,4]/titolo:Sulfate-bearing clay and Pietra Serena sludge: Raw materials for the development of alkali activated binders/doi:10.1016%2Fj.conbuildmat.2021.124030/rivista:Construction & building materials/anno:2021/pagina_da:1/pagina_a:12/intervallo_pagine:1–12/volume:301
Digital.CSIC. Repositorio Institucional del CSIC
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The feasibility of transforming the residues of cultivation of two rocks into secondary raw materials through the alkali activation process has been assessed. Mixtures of a sulfate-bearing kaolinitic clay (L02-K) and a sludge derived by the sewing of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42c46b6fb64128c45515335a197949dd
https://publications.cnr.it/doc/456269

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Structure refinement and new crystal-chemical data for tiragalloite (Mn2+3.86Ca0.10)?3.96(As5+0.85V5+0.02Si0.19)?1.06 Si3O12(OH) from the Scerscen glacier, Val Malenco, Italy

Autor: Callegari A.M.[1], Boiocchi M.[2], Zema M.[1, Tarantino S.C. [1

Publikováno v: Periodico di mineralogia (Testo stamp.) 89 (2020): 77–87. doi:10.2451/2020PM900
info:cnr-pdr/source/autori:Callegari A.M.[1], Boiocchi M.[2], Zema M.[1,3], Tarantino S.C. [1,3]/titolo:Structure refinement and new crystal-chemical data for tiragalloite (Mn2+3.86Ca0.10)?3.96(As5+0.85V5+0.02Si0.19)?1.06 Si3O12(OH) from the Scerscen glacier, Val Malenco, Italy/doi:10.2451%2F2020PM900/rivista:Periodico di mineralogia (Testo stamp.)/anno:2020/pagina_da:77/pagina_a:87/intervallo_pagine:77–87/volume:89

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Externí odkaz: https://explore.openaire.eu/search/publication?articleId=cnr_________::46d82d1028924934d3d4eaac34c81646

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Akademický článek

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Understanding the peculiar HT behavior of riebeckite: espansivity, deprotonation, Fe-oxidation and a novel cation disorder scheme

Autor: Oberti R., Boiocchi M., Zema M., Hawthorne F. C., Redhammer G. J., Susta U., Della Ventura G.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3668::b1547537c0172e7082b873d3e9b45a2e
https://hdl.handle.net/11590/340019

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Akademický článek

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Cooperative Jahn–Teller effect and the role of strain in the tetragonal-to-cubic phase transition in MgxCu1 − xCr2O4

Autor: Tarantino S.C.[1, Giannini M.[1, Carpenter M.A.[3], Zema M. [1

Publikováno v: IUCrJ
IUCrJ 3 (2016): 354–366. doi:10.1107/S2052252516012574
info:cnr-pdr/source/autori:Tarantino S.C.[1,2], Giannini M.[1,4], Carpenter M.A.[3], Zema M. [1,2]/titolo:Cooperative Jahn-Teller effect and the role of strain in the tetragonal-to-cubic phase transition in MgxCu1-XCr2O4/doi:10.1107%2FS2052252516012574/rivista:IUCrJ/anno:2016/pagina_da:354/pagina_a:366/intervallo_pagine:354–366/volume:3
IUCrJ, Vol 3, Iss 5, Pp 354-366 (2016)

In the MgxCu1 − xCr2O4 solid solution, progressive substitution of the Jahn–Teller and d 9 Cu2+ cation with the spherical and closed-shell Mg2+ cation results in a gradual reduction of the splitting of a and c unit-cell parameters, until transfor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6871b02ccecd074de05c42af06c9dd1
http://europepmc.org/articles/PMC5391857

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Crystal structure refinement of duftite, PbCu(AsO4)(OH), from Grube Clara, Oberwolfach, Schwarzwald, Germany

Autor: Callegari A.M.[1], Boiocchi M.[2], Zema M.[1, Tarantino S.C.[1

Publikováno v: Neues Jahrbuch für Mineralogie. Abhandlungen 194 (2017): 157–164. doi:10.1127/njma/2017/0053
info:cnr-pdr/source/autori:Callegari A.M.[1], Boiocchi M.[2], Zema M.[1,2], Tarantino S.C.[1,2]/titolo:Crystal structure refinement of duftite, PbCu(AsO4)(OH), from Grube Clara, Oberwolfach, Schwarzwald, Germany/doi:10.1127%2Fnjma%2F2017%2F0053/rivista:Neues Jahrbuch für Mineralogie. Abhandlungen/anno:2017/pagina_da:157/pagina_a:164/intervallo_pagine:157–164/volume:194

The crystal structure of duftite, PbCu(As()4)(OI I), has been re-evaluated on the basis of X-ray diffraction data from a single crystal from Grube Clara, Germany. Duftite is orthorhombic with a=7.7668(4), 6 = 9.2005(5), c= 5.9878(3) A; V = 427.88(4)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b871da4766c8db72cab1d56ef87668b
https://publications.cnr.it/doc/383047

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