Laurionite

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Description

A rare halide mineral composed of lead chloride hydroxide. Laurionite crystals occurs as colorless, transparent, striated prisms. They were first identified in ancient lead slags at Laurium, Greece. Deposits are also found in Wheal Rose, England. Laurionite forms when saline containing water comes in contact with lead.

Synonyms and Related Terms

lead chloride hydroxide

FTIR

MFA- Laurionite, Lead chloride hydroxide.jpg


Other Properties

Fine, colorless, orthorhombic, tabular crystals. Fracture= uneven Luster = pearly to adamantine Streak = white

Composition PbClOH
Mohs Hardness 2.5-3.5
Density 6.24
Molecular Weight 259.66
Refractive Index 2.077; 2.116; 2.158

Additional Information

Web Minerals: Laurionite

Sources Checked for Data in Record

Hardness=3.0-3.5

Hardness=2.5-3.0

Hardness=3.0-3.5

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