IMA mineral species

Åkermanite

Ca₂MgSi₂O₇

Sorosilicate mineral.

YellowGreenBrownGrayWhite & Clear

Åkermanite specimen
Åkermanite Tomeik.jpg · Wikimedia Commons (see file page for author & license)

Properties

🔷 Tetragonal✏️ streak white
Chemical formulaCa₂MgSi₂O₇
ElementsCa, Mg, Si, O
Crystal systemTetragonal
Mohs hardness—
Density—
Streakwhite
Color—
IMA symbolÅk
Nickel–Strunz class9.BB.10

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