The silicate carbonates are double salts that contain both silicate and carbonate in their formula. Most compounds are natural minerals containing calcium or rare earth elements. However, some have been made experimentally. Silicate carbonate minerals can be formed in limestone metamorphosed by heating from igneous intrusions.[1] Scawtite forms where the activity of calcium is high compared to H+. Spurrite forms in a limited range of calcium activity and high silica activity.[2] In magma, a carbonate rich melt is imiscible with a silicate melt.[3]
^Cite error: The named reference santap was invoked but never defined (see the help page).
^Radha, A. V.; Navrotsky, A. (1 January 2013). "Thermodynamics of Carbonates". Reviews in Mineralogy and Geochemistry. 77 (1): 73–121. Bibcode:2013RvMG...77...73R. doi:10.2138/rmg.2013.77.3.
^Berndt, Jasper; Klemme, Stephan (24 May 2022). "Origin of carbonatites—liquid immiscibility caught in the act". Nature Communications. 13 (1). doi:10.1038/s41467-022-30500-7. PMC 9130134.
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