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Vanadate

Calciodelrioite

Ca(VO₃)₂·4H₂O
Hardness2.5
Crystal systemMonoclinic
ClassVanadate
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Calciodelrioite

Calciodelrioite is an IMA-recognized mineral species in the vanadate class, with the chemical formula Ca(VO₃)₂·4H₂O.

It crystallizes in the monoclinic crystal system (space group I2/a). It is a member of the Delrioite structural group.

Key properties: Mohs hardness 2.5; White streak; Subadamantine (crystals), silky (aggregates) luster; optically biaxial.

IMA symbol Cdlr, IMA status: approved, named in 2012.

A secondary mineral as crystalline crusts on fracture surfaces in the oxidized portions of corvusite- and montroseite-impregnated sandstone.

It is found associated with Gypsum, rossite, metarossite, celestine, huemulite, pascoite (West Sunday mine); delrioite, hendersonite, pascoite, powellite, schindlerite (St. Jude mine).

As the calcium (Ca) analog of delrioite.

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 C minerals or help write this entry.