Asselbornite
Asselbornite is an IMA-recognized mineral species in the arsenate class, with the chemical formula Pb(UO₂)₄(BiO)₃(AsO₄)₂(OH)₇·4H₂O.
It crystallizes in the cubic crystal system (space group Im3m).
Key properties: specific gravity 5.6; Greasy to adamantine luster.
IMA symbol Asbn, IMA status: approved, named in 1980.
On a museum specimen initially, later at the locality.
It is found associated with Uranospinite, uranophane, uranosphaerite, quartz.
The name refers to Eric Asselborn (1954–), surgeon and mineral collector, of Dijon, France, in whose collection the mineral was first found.
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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