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Formula: Ca3TiSi2(Al,Ti,Si)3O14
Unclassified silicate, titanium-bearing mineral
Crystal System: Trigonal
Specific gravity: 3.39 calculated (AM 107.2321)
Common impurities: Na,V,(Sc,Mg)
Environments
Paqueite is likely formed from late-stage melting
(AM 107.2321).
It was approved in 2013, but to date (April 2023) it has been reported only from the type locality.
Localities
At the type locality, the Allende meteorite, Pueblito de Allende, Chihuahua, Mexico, paqueite occurs as
micron-sized crystals, within aluminium-rich
melilite. Associated minerals include
spinel, perovskite,
melilite group minerals, hibonite,
hercynite, grossular,
grossmanite, davisite,
coulsonite, corundum,
burnettite, beckettite and
anorthite
(Mindat).
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