La ricerca ha trovato 27921 risultati
- dom 03 lug, 2022 12:19
- Forum: Sistematica e classificazione
- Argomento: Bärnighausen Trees – A group–subgroup reference database
- Risposte: 0
- Visite : 22
Bärnighausen Trees – A group–subgroup reference database
Referenza: ▪ Block, T., Seidel, S., Pöttgen, R. (2022): Bärnighausen Trees – A group–subgroup reference database. Zeitschrift für Kristallographie - Crystalline Materials , 237 , 215-218. Abstract; Group–subgroup schemes are a useful tool in crystal chemistry for systemizing crystal structures and t...
- sab 02 lug, 2022 20:43
- Forum: Sistematica e classificazione
- Argomento: The where of mineral names: Zimbabweite, St. Anne’s Mine, Mwami, Zimbabwe
- Risposte: 1
- Visite : 36
Re: The where of mineral names: Zimbabweite, St. Anne’s Mine, Mwami, Zimbabwe
La formula corretta è la seguente: Na(PbNa0.5K0.5)(Ta3Nb0.5Ti0.5)As3+4O18.
- sab 02 lug, 2022 12:04
- Forum: Sistematica e classificazione
- Argomento: IMA 2019-105 = niasite; IMA 2019-122 = johanngeorgenstadtite
- Risposte: 1
- Visite : 450
Re: IMA 2019-105 = niasite; IMA 2019-122 = johanngeorgenstadtite
Quasi sicuramente la formazione di queste due specie è dovuta al fuoco, così come la formazione in campioni della stessa località-tipo di aerugite, bunsenite, paganoite, petewilliamsite e xanthiosite.
- sab 02 lug, 2022 10:41
- Forum: Sistematica e classificazione
- Argomento: Who's who in mineral names: Stephen Andrew Rust
- Risposte: 0
- Visite : 26
Who's who in mineral names: Stephen Andrew Rust
Referenza:
▪ Southwood, M. (2022): Who's Who in Mineral Names: Stephen Andrew Rust (b. 1952). Rocks and Minerals, 97, 380-382.
▪ Southwood, M. (2022): Who's Who in Mineral Names: Stephen Andrew Rust (b. 1952). Rocks and Minerals, 97, 380-382.
- sab 02 lug, 2022 10:37
- Forum: Sistematica e classificazione
- Argomento: The where of mineral names: Zimbabweite, St. Anne’s Mine, Mwami, Zimbabwe
- Risposte: 1
- Visite : 36
The where of mineral names: Zimbabweite, St. Anne’s Mine, Mwami, Zimbabwe
Referenza:
▪ Cairncross, B. (2022): The Where of Mineral Names: Zimbabweite, St. Anne’s Mine, Mwami, Hurungwe District Mashonaland West Province, Zimbabwe. Rocks and Minerals, 97, 383-386.
▪ Cairncross, B. (2022): The Where of Mineral Names: Zimbabweite, St. Anne’s Mine, Mwami, Hurungwe District Mashonaland West Province, Zimbabwe. Rocks and Minerals, 97, 383-386.
- sab 02 lug, 2022 10:04
- Forum: Generale
- Argomento: Meeting Micromounters "Ugo Ostan" - Cremona 8 e 9 ottobre 2022
- Risposte: 0
- Visite : 81
Meeting Micromounters "Ugo Ostan" - Cremona 8 e 9 ottobre 2022
Il 44° Meeting Nazionale (31° Internazionale) tra Micromounters “Ugo Ostan” avrà luogo presso il Seminario Vescovile in via Milano, 5 a Cremona nei giorni 8 e 9 ottobre 2022. Per la prenotazione dei tavoli siete invitati a contattare Pier Del Monaco: pier.delmonaco@libero.it L'AMI sarà presente alla...
- ven 01 lug, 2022 21:59
- Forum: Sistematica e classificazione
- Argomento: IMA 2018-066 = udinaite / IMA 2018-067 = arsenudinaite
- Risposte: 0
- Visite : 33
IMA 2018-066 = udinaite / IMA 2018-067 = arsenudinaite
Referenza: ▪ Pekov, I,V., Koshlyakova, N.N., Zubkova, N.V., Belakovskiy, D.I., Vigasina, M.F., Agakhanov, A.A., Ksenofontov, D.A., Turchkova, A.G., Britvin, S.N., Sidorov, E.G., Pushcharovsk, D.Yu. (2022): A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic M...
- ven 01 lug, 2022 11:55
- Forum: Sistematica e classificazione
- Argomento: Phosphates from the La Argentina and La Rosario veins (Mina Capillitas), Catamarca, Argentina
- Risposte: 0
- Visite : 21
Phosphates from the La Argentina and La Rosario veins (Mina Capillitas), Catamarca, Argentina
Referenza: ▪ Yaciuk, P., Colombo, F., Lecomte, K.L. (2021): Fosfatos de las vetas La Argentina y La Rosario (Mina Capillitas), Catamarca. Phosphates from the La Argentina and La Rosario veins (Mina Capillitas), Catamarca. Revista de la Asociacion Geologica Argentina , 78 , 375-389. Abstract: Mina Ca...
- ven 01 lug, 2022 11:46
- Forum: Sistematica e classificazione
- Argomento: Crystal structure of Pd8As3, a synthetic analogue of stillwaterite
- Risposte: 0
- Visite : 20
Crystal structure of Pd8As3, a synthetic analogue of stillwaterite
Prossima pubblicazione. Referenza: ▪ Karimova, O.V., Mezhueva, A.A., Zgurskiy, N.A., Zolotarev, A.A., Chareev, D.A. (2022): The crystal structure of Pd8As3, a synthetic analogue of stillwaterite. Mineralogical Magazine , 86 , (in press). Abstract: The synthetic analogue of mineral stillwaterite, Pd8...
- ven 01 lug, 2022 11:32
- Forum: Sistematica e classificazione
- Argomento: Vaterite in a decrepitated diamond-bearing inclusion in zircon from Sulu ultrahigh-pressure metamorphic belt
- Risposte: 0
- Visite : 20
Vaterite in a decrepitated diamond-bearing inclusion in zircon from Sulu ultrahigh-pressure metamorphic belt
Referenza: ▪ Fei, C. & Liu, J. (2022): Vaterite in a decrepitated diamond-bearing inclusion in zircon from a stromatic migmatite in the Chinese Sulu ultrahigh-pressure metamorphic belt. American Mineralogist , 107 , 1410-1424. Abstract: Vaterite was identified in a decrepitated carbonaceous material...
- ven 01 lug, 2022 10:59
- Forum: Sistematica e classificazione
- Argomento: Crystal structure determination of orthorhombic variscite-2O and its derivative AlPO4 at high temperature
- Risposte: 1
- Visite : 156
Re: Crystal structure determination of orthorhombic variscite-2O and its derivative AlPO4 at high temperature
Pubblicazione effettuata. Referenza: ▪ Ardit, M., Phillips, B.L., Bish, D.L. (2022): Crystal structure determination of orthorhombic variscite-2 O and its derivative AlPO4 structure at high temperature. American Mineralogist , 107 , 1385-1395. Abstract: Variscite [Al(PO4)·2H2O] is an uncommon second...
- ven 01 lug, 2022 10:43
- Forum: Sistematica e classificazione
- Argomento: Reinvestigation of probertite, CaNa[B5O7(OH)4]·3H2O, a mineral commodity of boron
- Risposte: 1
- Visite : 136
Re: Reinvestigation of probertite, CaNa[B5O7(OH)4]·3H2O, a mineral commodity of boron
Pubblicazione effettuata. Referenza: ▪ Gatta, G.D., Cannaò, E., Gagliardi, V., Fabelo, O. (2022): Reinvestigation of probertite, CaNa[B5O7(OH)4]·3H2O, a mineral commodity of boron. American Mineralogist , 107 , 1378-1384. Abstract: The crystal chemistry of probertite, a mineral commodity of B (B2O3 ...
- ven 01 lug, 2022 10:39
- Forum: Sistematica e classificazione
- Argomento: A first-principles study of water in wadsleyite and ringwoodite: Implication for the 520 km discontinuity
- Risposte: 0
- Visite : 16
A first-principles study of water in wadsleyite and ringwoodite: Implication for the 520 km discontinuity
Referenza: ▪ Wang, W. & Wu, Z. (2022): A first-principles study of water in wadsleyite and ringwoodite: Implication for the 520 km discontinuity. American Mineralogist , 107 , 1361-1368. Abstract: The seismic discontinuity around 520 km is believed to be caused by the phase transition from wadsleyit...
- ven 01 lug, 2022 10:31
- Forum: Sistematica e classificazione
- Argomento: Reexamination of the structure of opal-A
- Risposte: 1
- Visite : 155
Re: Reexamination of the structure of opal-A
Pubblicazione effettuata. Referenza: ▪ Lee, S., Xu, H., Xu , H. (2022): Reexamination of the structure of opal-A: A combined study of synchrotron X-ray diffraction and pair distribution function analysis. American Mineralogist , 107 , 1353-1360. Abstracxt: The structure of opal-A was not fully under...
- ven 01 lug, 2022 10:26
- Forum: Sistematica e classificazione
- Argomento: Time-resolved Raman and luminescence spectroscopy of synthetic REE-doped hydroxylapatites and natural apatites
- Risposte: 1
- Visite : 26
Time-resolved Raman and luminescence spectroscopy of synthetic REE-doped hydroxylapatites and natural apatites
Referenza: ▪ Fau, A., Beyssac, O., Gauthier, M., Panczer, G., Gasnault, O., Meslin, P.-Y., Bernard, S., Maurice, S., Forni, O., Boulliard, J.-C., Bosc, F., Drouet, C. (2022): Time-resolved Raman and luminescence spectroscopy of synthetic REE-doped hydroxylapatites and natural apatites. American Mine...