Leadhillite
Mineral Pb4(SO4)(CO3)2(OH)2
Take care.
- Contains lead: Wash your hands after handling it, keep it away from children, and don't make dust.
About it
Pearly six-sided tablets, a mix of lead sulfate and carbonate, found with cerussite and anglesite in weathered lead ore. Named for Leadhills in Scotland; also from Tsumeb in Namibia and Arizona.
- Type
- Mineral
- Group
- Sulfate, lead sulfate-carbonate
- Formula
- Pb4(SO4)(CO3)2(OH)2
- Hardness (Mohs)
- 2.5–3
- Specific gravity
- 6.26–6.55
- Streak
- white
- Lustre
- adamantine (diamond-like), resinous, pearly
- Crystal system
- Monoclinic
- Colours
- colourless, white, pale yellow, pale green, pale blue, grey
- Transparency
- transparent, translucent
- Cleavage and fracture
- perfect basal; conchoidal fracture
Typical values: real specimens vary. For more, see mindat.org.