IMA mineral species

Masutomilite

(K,Rb)(Li,Mn³⁺,Al)₃(AlSi₃O₁₀)(F,OH)₂

True mica, phillosilicate mineral.

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

Properties

Chemical formula(K,Rb)(Li,Mn³⁺,Al)₃(AlSi₃O₁₀)(F,OH)₂
ElementsK, Rb, Li, Mn, Al, Si, O, F, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMsu
Nickel–Strunz class9.EC.20

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