General Information:
Chemical Formula:
PbO2
Composition:
(Molecular Weight = 239.20 gm)
Lead 86.62 % Pb
Oxygen 13.38 % O
Empirical Formula:
PbO2
Environment:
Oxidized portions of Pb bearing deposits closely associated with plattnerite.
IMA Status:
Approved IMA
Locality:
Sunshine #1 mine, Hansonburg district, Socorro County, New Mexico.
Name Origin:
The name alludes to the close scrutiny that is necessary to distinguish the mineral from its dimorph, plattnerite.
Physical Properties:
Cleavage:
[100] Perfect, [010] Imperfect
Color:
dark reddish brown.
Diaphaniety:
Transparent to translucent
Habits:
Crystalline - Fine - Occurs as well-formed fine sized crystals., Platy - Sheet forms (e.g. micas).,
Luminescence:
Non-fluorescent.
Luster:
Sub Metallic
Streak:
dark brown
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