Wiklundite Explained

Wiklundite
Category:	Silicate
Imasymbol:	Wik^[1]
System:	Trigonal
Class:	Hexagonal scalenohedral (m) H-M symbol: (2/m)
Symmetry:	Rc
Unit Cell:	a = 8.26, c = 126.59 [Å] (approximated)

Wiklundite is a rare^[2] and complex arsenate arsenite-silicate mineral with the chemical formula . The mineral characterizes in a large c unit cell parameter.^[3] It was found in Långban, Sweden - a home for many rare and exotic minerals.^[4]

Relation to other minerals

Structure of wiklundite is unique.^[3] A slightly chemically similar mineral, although lacking manganese and iron, is hereroite.^[5]

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. Web site: Wiklundite: Wiklundite mineral information and data . Mindat.org . 2016-03-13.
3. Cooper, M.A., Hawthorne, F.C., Langhof, J., Hålenius, U., and Holtstam, D., 2015. Wiklundite, IMA 2015-057. CNMNC Newsletter No. 27, October 2015, 1227; Mineralogical Magazine 79, 1229–1236
4. Web site: Långban, Filipstad, Värmland, Sweden - Mindat.org . Mindat.org . 2016-03-13.
5. Web site: Hereroite: Hereroite mineral information and data . Mindat.org . 2016-03-13.