VS
Name
—
ZrO₂
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Monoclinic
Crystal system
—
6.5
Mohs hardness
—
5.4–6.02
Specific gravity
—
White to brownish white
Streak
—
Greasy to vitreous; nearly submetallic in black crystals
Luster
—
{001} nearly perfect, {010} and {110} less perfect
Cleavage
—
P2_1/c
Space group
—
Baddeleyite
Structural group
—
Bdy · Grandfathered
IMA
—
1893
Named in
—
Colorless to yellow, green, greenish or reddish brown, brown, iron-black
Typical colors
—
Zr · O
Elements
—