Aluminoceladonite is a low-temperature potassium dioctahedral mica mineral which is an end-member in the illite-aluminoceladonite solid solution series. The chemical formula for aluminoceladonite is K(Mg,Fe2+)Al(Si4O10)(OH)2.
Aluminoceladonite is a low-temperature potassium dioctahedral mica mineral which is an end-member in the illite-aluminoceladonite solid solution series. The chemical formula for aluminoceladonite is K(Mg,Fe2+)Al(Si4O10)(OH)2.
==Occurrence== Aluminoceladonite is often referred to as a rare mineral, though its actual abundance may be underestimated due to difficulty of identification. Aluminoceladonite, along with other phyllosilicate minerals in the illite-aluminoceladonite solid solution series, has been observed mainly among finely dispersed, mostly inter-layer-deficient, aluminium-rich potassium-dioctahedral mica varieties occurring in sedimentary rocks.
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