IMA mineral species

Albite

NaAlSi₃O₈

Mineral, Na-feldspar, Na-silicate, tectosilicate.

RedGreenBlueGrayWhite & Clear

Albite specimen
Albite2.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNaAlSi₃O₈
ElementsNa, Al, Si, O
Crystal systemTriclinic
Mohs hardness—
Density2.64 g/cm³
Streakwhite
Colorblue, green, red, white, chatoyancy, grey
Fractureconchoidal fracture
IMA symbolAb
Nickel–Strunz class9.FA.35

“—” means no reliable value in Wikidata yet. Check Mindat for full data.

Varieties & related stones