Prossima pubblicazione.
Referenza:
▪ Hawthorne, F.C. (2023): On the definition of distinct mineral species: A critique of current IMA-CNMNC procedures. Mineralogical Magazine, 87, (in press).
Abstract:
The criteria for the definition of a new mineral species currently used by the Commission on New Minerals Nomenclature and Classification (CNMNC) of the International Mineralogical Association are critically examined. In particular, the rule of the dominant constituent can violate the laws of conservation of electric charge. A series of additional rules: (1) valency-imposed double site-occupancy, (2) the dominant-valency rule, and (3) the site-total-charge approach, have been developed in an attempt to correct this error. However, none of these rules can overcome the fundamental flaw introduced by the rule of the dominant constituent, and the chemical formulae resulting from application of these rules can violate the requirements of an end member, particularly that of electroneutrality. As a result, the IMA-CNMNC rules cannot derive end-member formulae for some groups of minerals, giving rise to many ad hoc decisions in defining distinct mineral species.
On the definition of distinct mineral species: A critique of current IMA-CNMNC procedures
- Marco E. Ciriotti
- Messaggi: 31675
- Iscritto il: ven 25 giu, 2004 11:31
- Località: via San Pietro, 55 I-10073 Devesi/Cirié TO - Italy
- Contatta:
On the definition of distinct mineral species: A critique of current IMA-CNMNC procedures
Marco E. Ciriotti
«Things are interesting only in so far as they relate themselves to other things»
«Things are interesting only in so far as they relate themselves to other things»
- Marco E. Ciriotti
- Messaggi: 31675
- Iscritto il: ven 25 giu, 2004 11:31
- Località: via San Pietro, 55 I-10073 Devesi/Cirié TO - Italy
- Contatta:
Re: On the definition of distinct mineral species: A critique of current IMA-CNMNC procedures
Vedasi discussione: viewtopic.php?f=5&t=18725&p=276124&hili ... es#p276124
Marco E. Ciriotti
«Things are interesting only in so far as they relate themselves to other things»
«Things are interesting only in so far as they relate themselves to other things»
- Marco E. Ciriotti
- Messaggi: 31675
- Iscritto il: ven 25 giu, 2004 11:31
- Località: via San Pietro, 55 I-10073 Devesi/Cirié TO - Italy
- Contatta:
Re: On the definition of distinct mineral species: A critique of current IMA-CNMNC procedures
Pubblicazione effettuata.
Referenza:
▪ Hawthorne, F.C. (2023): On the definition of distinct mineral species: A critique of current IMA-CNMNC procedures. Mineralogical Magazine, 87, 494-504.
Referenza:
▪ Hawthorne, F.C. (2023): On the definition of distinct mineral species: A critique of current IMA-CNMNC procedures. Mineralogical Magazine, 87, 494-504.
Marco E. Ciriotti
«Things are interesting only in so far as they relate themselves to other things»
«Things are interesting only in so far as they relate themselves to other things»
- Marco E. Ciriotti
- Messaggi: 31675
- Iscritto il: ven 25 giu, 2004 11:31
- Località: via San Pietro, 55 I-10073 Devesi/Cirié TO - Italy
- Contatta:
Re: On the definition of distinct mineral species: A critique of current IMA-CNMNC procedures
Pubblicazione effettuata.
Referenza:
▪ Hawthorne, F.C. (2023): On the definition of distinct mineral species: A critique of current IMA-CNMNC procedures. Mineralogical Magazine, 87, 494-504.
Referenza:
▪ Hawthorne, F.C. (2023): On the definition of distinct mineral species: A critique of current IMA-CNMNC procedures. Mineralogical Magazine, 87, 494-504.
Marco E. Ciriotti
«Things are interesting only in so far as they relate themselves to other things»
«Things are interesting only in so far as they relate themselves to other things»
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