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Dominant species
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Massicot
Chemical
Formula
PbO
Species
Oxides & Hydroxides
Crystal
System
Orthorhombic
Mohs
Scale
2
Specific
Gravity
9.64
Color
Sulphur- to orpiment-yellow, sometimes with a reddish tint. Nearly colourless to pale yellow in transmitted light.
Streak
Yellow
Luster
Greasy, Dull
Refractive
Index
n = 2.510 n = 2.610 n = 2.710
Crystal Habit:Massive, earthy to scaly. Artificial crystals are tabular .
Geological Setting:As an alteration product of lead minerals.
Massicot4501
Massicot4501
Massicot4497
Massicot4497
Massicot4473
Massicot4473