Magnesiocoulsonite
Magnesiocoulsonite is an IMA-recognized mineral species in the vanadate class, with the chemical formula MgV₂O₄.
It crystallizes in the cubic crystal system (space group Fd3m). It is a member of the Spinel structural group.
Key properties: Mohs hardness 6.5; specific gravity 4.31; Black streak; Metallic luster.
IMA symbol Mcou, IMA status: approved, named in 1994.
An accessory mineral in Cr–V-bearing metamorphic rocks.
It is found associated with Cr–V-tremolite, Cr–V-diopside, goldmanite, Cr–V-chlorite, Cr–V-muscovite, vanadian magnesiochromite, karelianite, pyrite, calcite, quartz.
The name refers to its dominant MAGNESIum content and relation to coulsonite.
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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