VS
Name
—
6(Fe₀.₉S)·5[(Mg,Fe)(OH)₂]
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Triclinic
Crystal system
—
—
Mohs hardness
—
2.96
Specific gravity
—
—
Streak
—
Moderately metallic
Luster
—
On {001}
Cleavage
—
C1
Space group
—
Tochilinite
Structural group
—
Thi · Approved
IMA
—
1971
Named in
—
Bronze-black; yellowish brown in reflected light
Typical colors
—
Fe · S · Mg · O · H
Elements
—