This thesis concerns cobalt pyroxenes and it is mostly based on the join CaCoSi2O6-Co2Si2O6. This series has an interest both in mineralogy and ceramic science. Regarding ceramic sciences Ca,Co-pyroxenes may be used as a ceramic pink pigment, with good chemical stability and colour properties. In mineralogy it is interesting to stress the analogy with the rock forming quadrilateral pyroxenes formed by diopside-enstatite (CaMgSi2O6-Mg2Si2O6) and hedenbergite-ferrosilite (CaFeSi2O6-Fe2Si2O6) series. Moreover, Ca,Co-pyroxenes provide a crystal chemical model to study the pyroxenes solid solutions where a large ionic radius cation in the M2 site (Ca) is substituted by a smaller cation, such as Mg, Fe and Co.
SYNTHESIS AND CARACHTERIZATION OF CaCoSi2O6-Co2Si2O6 PYROXENES / Mantovani, Luciana. - In: PLINIUS. - ISSN 1972-1366. - 39:(2013).
SYNTHESIS AND CARACHTERIZATION OF CaCoSi2O6-Co2Si2O6 PYROXENES
Luciana Mantovani
2013-01-01
Abstract
This thesis concerns cobalt pyroxenes and it is mostly based on the join CaCoSi2O6-Co2Si2O6. This series has an interest both in mineralogy and ceramic science. Regarding ceramic sciences Ca,Co-pyroxenes may be used as a ceramic pink pigment, with good chemical stability and colour properties. In mineralogy it is interesting to stress the analogy with the rock forming quadrilateral pyroxenes formed by diopside-enstatite (CaMgSi2O6-Mg2Si2O6) and hedenbergite-ferrosilite (CaFeSi2O6-Fe2Si2O6) series. Moreover, Ca,Co-pyroxenes provide a crystal chemical model to study the pyroxenes solid solutions where a large ionic radius cation in the M2 site (Ca) is substituted by a smaller cation, such as Mg, Fe and Co.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
