VS
Name
—
Pb₂Sb⁵⁺₂O₇
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
—
Crystal system
—
4.5–6
Mohs hardness
—
5.94–7.29
Specific gravity
—
Straw-yellow to cinnamon-brown
Streak
—
Greasy to adamantine
Luster
—
Indistinct on {111}
Cleavage
—
—
Space group
—
Pyrochlore
Structural group
—
Mml · Questionable
IMA
—
1866
Named in
—
Yellow, gray-green, dark brown
Typical colors
—
Pb · Sb · O
Elements
—