Alunite

Image

Alunite, massive material (Pen for scale) - Mineral collection of Brigham Young University Department of Geology, Provo, Utah - BYU index 10-7015

© Photo by Andrew Silver, US Geological Survey. Public Domain

Properties

Formula KAl3(SO4)2(OH)6
Abbreviation Alu
Classifications Minerals containing SO4, Minerals containing OH
Luminescence emitters M[n]OH, Triplet-singlet
IMA Status Approved/redefined (IMA 1987 s.p.)
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags Hydroxide , Mineral, Sulphate

Composition

Element Atoms
H 6
K 1
Al 3
O 14
S 2
Total: 26

References

Reference
Lines Spectra Images
Laukamp et al. 2021 3 0 0
Tarashchan 1978 1 0 0