Laurionite
Mineral PbCl(OH)
Take care.
- Contains lead: Wash your hands after handling it, keep it away from children, and don't make dust.
About it
Small colourless prisms that grew where ancient lead slags at Lavrion, Greece, sat in seawater; named for that district.
- Type
- Mineral
- Group
- Halide
- Formula
- PbCl(OH)
- Hardness (Mohs)
- 3–3.5
- Specific gravity
- 6.2–6.3
- Streak
- white
- Lustre
- adamantine (diamond-like)
- Crystal system
- Orthorhombic
- Colours
- colourless, white
- Transparency
- transparent, translucent
- Cleavage and fracture
- distinct in one direction
Typical values: real specimens vary. For more, see mindat.org.