Mineral variety

Amosite

Fibrous grunerite variety.

Brown

Variety of Grunerite.

Amosite specimen
Amosite.PNG · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula—
Elements—
Crystal system—
Mohs hardness—
Density—
Streak—
Color—

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