Ilyukhinite is a very rare mineral of the eudialyte group,[2] with formula (H3O,Na)14Ca6Mn2Zr3Si26O72(OH)2·3H2O.
[4] The formula given is simplified and does not show the presence of cyclic silicate groups.
Ilyukhinite is the second group representative with species-defining hydronium ion after aqualite.
[2] This article about a specific silicate mineral is a stub.
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