IMA mineral species

Mcgillite

(Mn,Fe)₈Si₆O₁₅(OH)₈Cl₂

Phyllosilicate mineral.

Mcgillite specimen
Mcgillite - Redpath Museum - McGill University - Montreal, Canada - DSC07859.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula(Mn,Fe)₈Si₆O₁₅(OH)₈Cl₂
ElementsMn, Fe, Si, O, H, Cl
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMcg
Nickel–Strunz class9.EE.10

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