Beckettite
Beckettite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Ca₂V₆Al₆O₂₀.
It crystallizes in the triclinic crystal system (space group P-1). It is a member of the Sapphirine structural group.
IMA symbol Bek, IMA status: approved, named in 2015.
Probably formed in the parent body of a carbonaceous chondrite meteorite by late- stage metasomatic reactions in which grossular, corundum, coulsonite, and hercynite, replace primary phases such as melilite, hibonite, spinel, perovskite.
It is found associated with Corundum, grossular, anorthite, coulsonite, hercynite.
The mineral was named to honor John R. Beckett, cosmochemist, California Institute of Technology, Pasadena, USA.
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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