General Information:
Chemical Formula:K2PbCl4 (?)
Composition:(Molecular Weight = 427.21 gm)Potassium 18.30 %
K Lead 48.50 %
PbChlorine 33.19 %
Cl Empirical Formula: K2PbCl4
Environment:In fumaroles, associated with cotunnite.
Locality:Vesuvius, Italy.
Name Origin:Named for the Greek "pseudo", false and cotunnite, a mineral it resembles in some respects.
Physical Properties: Color:colorless, green yellow, yellow, or white.
Density:4.25
Diaphaniety:Transparent to Translucent
Habits:Acicular - Occurs as needle-like crystals., Platy - Sheet forms (e.g. micas)., Aggregates - Made of numerous individual crystals or clusters.
Luster:Earthy (Dull)
Streak:white
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