minium

See more at Wikipedia.org...

---

Noun
1. a reddish oxide of lead (Pb3O4) used as a pigment in paints and in glass and ceramics
(synonym) red lead
(hypernym) oxide
(derivation) miniate

(n.)
A heavy, brilliant red pigment, consisting of an oxide of lead, Pb3O4, obtained by exposing lead or massicot to a gentle and continued heat in the air. It is used as a cement, as a paint, and in the manufacture of flint glass. Called also red lead.
  

N
native cinnabar; red lead| vermilion

ADJ
cinnabar-red; a river in Lusitania

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...