![](http://www.alamy.com/thumbs/6/921547CD-2B03-4ED3-B8EF-4A6B9138EBCE/EXD6D6.jpg)
Perthitic microcline feldspar
Perthitic exsolution (albite within alkali feldspar) is visible. Width of sample 6 cm.
Size: 3000px × 2000px
Location: Evje, Norway
Photo credit: © Siim Sepp / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: -feldspar, albite, alkali, alkaline, cleavage, crystal, crystalline, exsolution, exsolved, face, feldspar, framework, geology, kspar, microcline, mineral, mineralogy, natural, orthoclase, pegmatite, perthite, perthitic, petrology, pink, potassium, rock, silicate, solid, stone, tectosilicate, twinning