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Silicate

Petermegawite

Al₆(Se⁴⁺O₃)₃[SiO₃(OH)](OH)₉·10H₂O
Crystal systemOrthorhombic
ClassSilicate
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Petermegawite

Petermegawite is an IMA-recognized mineral species in the silicate class, with the chemical formula Al₆(Se⁴⁺O₃)₃[SiO₃(OH)](OH)₉·10H₂O.

It crystallizes in the orthorhombic crystal system (space group Cmc2_1).

IMA symbol Pmw, IMA status: approved, named in 2022.

Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet. Browse more P minerals or help write this entry.