Metalodèvite
Metalodèvite is an IMA-recognized mineral species in the arsenate class, with the chemical formula Zn(UO₂)₂(AsO₄)₂·10H₂O.
It crystallizes in the tetragonal crystal system (space group P4_2/m).
Key properties: specific gravity 4; Pearly luster; optically biaxial.
IMA symbol Mldv, IMA status: approved, named in 1972.
A rare secondary mineral produced through alteration of arsenic-bearing minerals.
It is found associated with Sphalerite, coffinite, uraninite, arsenopyrite (Riviéral deposit, France); adamite, legrandite, köttigite, scorodite, pharmacosiderite (Sterling Hill.
The prefix meta- denotes membership in the meta-autunite group; the name is for Lodève, France, near which the first specimens were collected.
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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