VS
Name
—
AlO(OH)
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Orthorhombic
Crystal system
—
3.5
Mohs hardness
—
3.02–3.05
Specific gravity
—
White
Streak
—
Vitreous, pearly on {010}
Luster
—
{010}, very good; {100}, well-developed; {001}, poor
Cleavage
—
Bbmm
Space group
—
Lepidocrocite
Structural group
—
Bhm · Grandfathered
IMA
—
1927
Named in
—
White, Gray
Typical colors
—
Al · O · H
Elements
—