General Information:
Chemical Formula:
Pb++2Pb++++O4
Composition:
(Molecular Weight = 685.60 gm)
Lead 90.67 % Pb
Oxygen 9.33 % O
Empirical Formula:
Pb3O4
Environment:
Oxidized portions of lead ore deposits.
Locality:
The river Minius located in NW Spain.
Name Origin:
Named after its locality.
Physical Properties:
Cleavage:
[110] Perfect, [010] Perfect
Color:
light red, brownish red, vivid red, or yellowish red.
Density:
8.2
Diaphaniety:
Subtransparent to opaque
Habits:
Scaly - Morphology like fish scales., Massive - Granular - Common texture observed in granite and other igneous rock., Striated - Parallel lines on crystal surface or cleavage face.
Hardness:
2.5-3 - Finger Nail-Calcite
Luminescence:
None.
Luster:
Adamantine
Streak:
yellowish orange
More details...