IMA mineral species

Montdorite

(K,Na)₂(Fe²⁺,Mn²⁺,Mg)₅(Si₄O₁₀)₂(OH,F)₄

True mica, phyllosilicate mineral.

Properties

Chemical formula(K,Na)₂(Fe²⁺,Mn²⁺,Mg)₅(Si₄O₁₀)₂(OH,F)₄
ElementsK, Na, Fe, Mn, Mg, Si, O, H, F
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMdr
Nickel–Strunz class9.EC.15

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