K feldspar [ KAlSi3O8 ]

Material properties

Formula KAlSi3O8
Abbreviation Kfs
Classification Alkali feldspar
Members Adularia, Orthoclase, Microcline
Luminescence emitters AlO4, Al-O- -Al, Fe, SiO4, Tl, Unspecified
Spectra Luminescence (1)
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags Group , Informal , Silicate, Aluminosilicate

Composition

Element Atoms
K 1
O 8
Al 1
Si 3
Total: 13

References for K feldspar

Reference
Lines Spectra Images
Kuznetsov and Tarashchan 1988 3 0 0
Torpy et al. 2020, luminescence 3 1 1
Torpy et al. 2020, luminescence, other 0 2 0

Specimens of K feldspar

Name Owner Materials Image Spectra Techniques
CaMoO4 Hyper2-25 CSIRO K feldspar, Powellite 1 SXES
NaAlSi3O8 Hyper2-10 Albite CSIRO Albite, K feldspar 1 SXES
Tista 2020 D4 Shaker CSIRO Albite, Allanite-(Ce), Amphibole, Andesine, Apatite, Augite, Biotite, Bytownite, Chlorite, Mg, Fe, Epidote, Garnet, Grossular, Ilmenite, Mn, Ilmenite, K feldspar, Kyanite, Monazite-(Ce), Muscovite, Oligoclase, Pyroxene, Quartz, Staurolite, Titanite, Titanohematite, Xenotime-(Y), Zircon, Zoisite 46 CL, EDS
Tista 2020 D4 Zircon conc CSIRO Albite, Apatite, Biotite, Florencite-(Ce), Ilmenite, K feldspar, Kyanite, Monazite-(Ce), Muscovite, Plagioclase, Quartz, Rutile, Scheelite, Titanite, Zircon, Zoisite 27 CL, EDS