Bluestreakite
Bluestreakite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula K₄Mg₂(V⁴⁺₂V⁵⁺₈O₂₈)·14H₂O.
It crystallizes in the monoclinic crystal system (space group P2_1/n). It is a member of the Pascoite structural group.
Key properties: Mohs hardness 2; specific gravity 2.35; Light blue streak; Subadamantine luster; optically biaxial.
IMA symbol Blu, IMA status: approved, named in 2014.
Found as a secondary mineral in the oxidation zone of roll-front U-V deposit in corvusite- montroseite-bearing sandstone.
It is found associated with Gypsum, huemulite, hummerite, metamunirite, munirite.
The name refers to the mine that yielded the first specimens.
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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