IMA mineral species

Microcline

KAlSi₃O₈

Feldspar, tectosilicate mineral.

Orange Yellow Green Pink Brown Gray White & Clear

Microcline specimen — Microcline-fel1c.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness6

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💅🪙🍶🔪💎

Scratches glass; quartz scratches it.

⚖ Density2.457 g/cm³

Average

Chemical formula	KAlSi₃O₈
Elements	K, Al, Si, O
Crystal system	Triclinic
Mohs hardness	6
Density	2.457 g/cm³
Streak	—
Color	—
IMA symbol	Mcc
Nickel–Strunz class	9.FA.30

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

Varieties & related stones

Amazonite

Learn more

Microcline on Mindat.org
Wikipedia article
Wikidata item Q421841 (source of this page's data – you can correct it there)