Grootfonteinite Explained

Grootfonteinite
Category:	Carbonate
Formula:	Pb3O(CO3)2
Imasymbol:	Gtf^[1]
System:	Hexagonal
Class:	Dihexagonal pyramidal (6mm) (same H-M symbol)
Symmetry:	P63mc
Unit Cell:	a = 5.30, b = 13.77 [Å] (approximated)

Grootfonteinite is a rare lead carbonate mineral with the relatively simple formula Pb₃O(CO₃)₂. It is one of a number of minerals discovered at the Kombat mine, Grootfontein district, Namibia.^{[2] [3]}

Relation to other minerals

Grootfonteinite is structurally related to hydrocerussite and plumbonacrite.^[2]

External links

• Grootfonteinite on Mindat: Web site: Grootfonteinite: Grootfonteinite mineral information and data . Mindat.org . 2016-03-13.

Notes and References

1. Warr. L.N.. 2021. IMA–CNMNC approved mineral symbols. Mineralogical Magazine. 85. 3. 291–320. 10.1180/mgm.2021.43. 2021MinM...85..291W. 235729616. free.
2. Siidra, O.I., Nazarchuk, E.V., Agakhanov, A.A., Lukina, E.A., Vergasova, L.P., Filatov, S.K., Pekov, I.V., Karpov, G.A., and Yapaskurt, V.O., 2015. Hermannjahnite, IMA2015-050. CNMNC Newsletter No. 27, October 2015, 1225; Mineralogical Magazine79, 1229–1236
3. Web site: Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein District, Otjozondjupa Region, Namibia - Mindat.org . Mindat.org . 2016-03-13.