tilleyite

tilleyite

[′til·ē‚īt]
(mineralogy)
Ca5(Si2O7)(CO3)2 A white mineral consisting of a carbonate and silicate of calcium.
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References in periodicals archive ?
The analysis shows the formation of minerals like tilleyite, xonotlite, [alpha]-C2SH, yeelimite, and calcite.
According to the X-ray diffraction, the Bayer red mud is comprised of cancrinite, hydrogrossular, tilleyite, calcite, and xonotlite; the main chemical constituent was Si[O.sub.2] (accounting for 22.35%), followed by 20.80% of [Al.sub.2][O.sub.3], 18.51% of CaO, 8.83% of [Na.sub.2]O, 7.73% of [Fe.sub.2][O.sub.3], and a small amount of mixture of K2O, MgO, Ti[O.sub.2], and S[O.sub.3].