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Molybdate

Deloryite

Cu₄(UO₂)Mo₂O₈(OH)₆
Hardness4
Crystal systemMonoclinic
ClassMolybdate

Deloryite

Deloryite is an IMA-recognized mineral species in the molybdate class, with the chemical formula Cu₄(UO₂)Mo₂O₈(OH)₆.

It crystallizes in the monoclinic crystal system (space group C2/m).

Key properties: Mohs hardness 4; specific gravity 4.9; Green streak; Vitreous to greasy luster; optically biaxial.

IMA symbol Dlo, IMA status: approved, named in 1990.

Very rare in the oxidized portion of a uranium deposit in sandstone.

It is found associated with Metazeunerite, atacamite, paratacamite, malachite, barite.

The mineral was named to honor Jean Claude Delory (1953–), French mineral collector and land surveyor, Toulon, France, who collected 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. Browse more D minerals or help write this entry.