VS
Name
—
Al(OH)₃
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Triclinic
Crystal system
—
3
Mohs hardness
—
2.41–2.43
Specific gravity
—
—
Streak
—
Vitreous, pearly on cleavages
Luster
—
Perfect on {110}
Cleavage
—
I-1
Space group
—
—
Structural group
—
Nsd · Approved
IMA
—
1958
Named in
—
Nearly colorless, white, cream; coral-pink to reddish brown with included goethite, may be zoned
Typical colors
—
Al · O · H
Elements
—