Pauladamsite
Pauladamsite is an IMA-recognized mineral species in the sulfate class, with the chemical formula Cu₄(SeO₃)(SO₄)(OH)₄·2H₂O.
It crystallizes in the triclinic crystal system (space group P-1).
Key properties: Mohs hardness 2; specific gravity 3.535; Pale green streak; Vitreous to silky luster; optically biaxial.
IMA symbol Pad, IMA status: approved, named in 2015.
Found in the oxidation-zone of a polymetallic hydrothermal sulfide deposit.
It is found associated with Brochantite, chalcanthite, gypsum, ktenasite, mimetite, schulenbergite, smithsonite, goethite, hematite.
The mineral was named to honor Paul M. Adams (b. 1954) who discovered/collected the mineral and is coauthor of seven other new mineral descriptions.
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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