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The divalent cation Be2+ is considerably smaller than other divalent cations (Mg2+, Fe2+, Ca2+, et cetera), leading to a strong preference for tetrahedral coordination in minerals. Its thermodynamic properties in silicate melts may accordingly differ from these other divalent cations, potentially distinguishing its mineral/melt partition coefficients. In order to investigate this possibility, the...
Sulphur solubility and immiscibility relationships in silicate melts as a function of the concentrations of Cu, Mn, Ni and W were measured for melts synthesised at 1400 °C and 1 bar. Relationships between fS 2 , fO 2 and the S solubility were also investigated. The results were used to extend and calibrate an existing model for the solubility of S in silicate melts to Mn- and W-bearing...
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