VS
Name
—
PbO₂
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Tetragonal
Crystal system
—
5.5
Mohs hardness
—
9.564
Specific gravity
—
Chestnut-brown
Streak
—
Bright metallic to adamantine; tarnishing dull on exposure
Luster
—
—
Cleavage
—
P4_2/mnm
Space group
—
Rutile
Structural group
—
Ptn · Grandfathered
IMA
—
1845
Named in
—
Jet-black, iron-black, brownish black; yellowish in transmitted light; gray-white in reflected light
Typical colors
—
Pb · O
Elements
—