White crystal aggregate of the very rare Al sulphate-phosphate mineral kribergite from the type (Kristineberg Mine, Malå, Västerbotten County, Sweden) and only known locality worlwide in Sweden. Ex Vandenbroucke Museum collection from Waregem, Belgium. — Photo: David Hospital · CC BY-SA 4.0
Kribergite
Kribergite is an IMA-recognized mineral species in the phosphate class, with the chemical formula Al₅(PO₄)₃(SO₄)(OH)₄·4H₂O.
IMA symbol Kbg, grandfathered status — known before the IMA’s founding, named in 1945.
Filling fractures in cupriferous pyrite.
It is found associated with Pyrite.
A contraction of the type locality, the KRlstineBERG mine, Sweden.
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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