Formula: FeCr2S4
Sulphide, linnaeite subgroup,
thiospinel group,
spinel supergroup,
paramorph of
zolenskyite
Crystal System: Isometric
Specific gravity: 3.81 measured, 3.842 calculated
Hardness: 4½ to 5
Streak: Black, brown
Colour: Black
Environments
Daubréelite occurs in small amounts in many meteorites. Associated minerals
include troilite, iron variety
kamacite, enstatite,
plagioclase, alabandite,
graphite and schreibersite
(HOM).
Localities
The type locality is the Coahuila meteorite, Bolsom de Mapimí, Coahuila, Mexico.
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