VS
Name
—
PbFe³⁺₄As³⁺₁₀O₂₂
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Triclinic
Crystal system
—
1.5–2
Mohs hardness
—
4.33–4.4
Specific gravity
—
Pale brown
Streak
—
Subadamantine
Luster
—
Perfect micaceous on {011}, perfect on {021}
Cleavage
—
A-1
Space group
—
—
Structural group
—
Ldl · Approved
IMA
—
1969
Named in
—
Red, red-brown, orange-brown, yellow
Typical colors
—
Pb · Fe · As · O
Elements
—