Halloysite-10Å
Halloysite-10Å is an IMA-recognized mineral species in the silicate class, with the chemical formula Al₂Si₂O₅(OH)₄·2H₂O.
It crystallizes in the monoclinic crystal system (space group Cm). It is a member of the Clay, Kaolinite structural group.
IMA symbol Hly-10Å, grandfathered status — known before the IMA’s founding, named in 1934.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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