Colours of gemmy phosphates from the Gavà neolithic mines (Catalonia, Spain): origin and archaeological significance

Autor: Consorci del Museu de Ciències Naturals de Barcelona, Díaz-Acha, Yael, Campeny, Marc, Casas, Lluís, Di Febo, Roberta, Ibáñez-Insa, Jordi, Jawhari, Tariq, Bosch, Josep, Borrell, Ferran, Jorge-villar, Susana Esther, Greneche, Jean-Marc, Tauler, Esperança, M

In the Neolithic Gavà mines, variscite and turquoise were exploited for ornaments manufacturing, although some prospective pits and tunnels were dug on other similar greenish minerals such as smectite or kandite. A 3D study of the distribution of mi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3878::c42b0f5d9b5a671adbc9cd81cd87ab0a
http://hdl.handle.net/11703/127836

Machine learning algorithms applied to Raman spectra for the identification of variscite originating from the mining complex of Gavà

Autor: Consorci del Museu de Ciències Naturals de Barcelona, Díez-Pastor, José Francisco, Esther, Susana, Arnaiz-González, Álvar, García-Osorio, César Ignacio, Díaz-Acha, Yael, Campeny, Marc, Bosch, Josep, Melgarejo, Joan Carles

Publikováno v: BCNROC. Repositori Obert de Coneixement de l'Ajuntament de Barcelona
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Variscite is an aluminium phosphate mineral widely used as a gemstone in antiquity. Knowledge of the ancient trade in variscite has important implications on the historical appreciation of the commercial and migratory movements of human population. T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1c4637fa77084b4ede56c2c9565b1b2d
http://hdl.handle.net/2072/375927

Distinct magnetism in ultrathin epitaxial NiFe2O4 films on MgAl2O4 and SrTiO3single crystalline substrates

Autor: Foerster, Michael, Rebled, J. M. (José Manuel), Estradé Albiol, Sònia, Sánchez Barrera, Florencio, Peiró Martínez, Francisca, Fontcuberta i Griñó, Josep

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
Recercat. Dipósit de la Recerca de Catalunya
instname

Spinel ferrites are being considered for advanced spintronic applications. Here, we report on the magnetic properties of ultrathin (3-37 nm) epitaxial films of NiFe2O4 (NFO) on MgAl2O4 (MAO) and SrTiO3 (STO) single crystalline substrates. It is found

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::c39a0ffea06f803f86b1250b32385db7
http://hdl.handle.net/2445/32281

Catálogo de gemas facetadas transparentes de la colección mineralógica del Museo de Geología de Barcelona

Autor: Curto, Carles

Publikováno v: RECERCAT (Dipòsit de la Recerca de Catalunya)
Recercat. Dipósit de la Recerca de Catalunya
instname
Treballs del Museu de Geologia de Barcelona; 2000: Vol.: 9; p. 167-203

El presente trabajo refiere la evolución cronológica de la colección de gemas facetadas transparentes del Museo de Geología de Barcelona y cataloga sus ejemplares distribuyéndolos en cuatro apartados: Grupo de la Sílice, Silicatos, No silicatos

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::61a8d759d538c31d7846bbfa4c84cbad
http://hdl.handle.net/2072/356278