Anglesite
Mineral PbSO4
Take care.
- Contains lead: Wash your hands after handling it, keep it away from children, and don't make dust.
About it
A brilliant, very heavy lead sulfate that forms where galena weathers, sometimes still wrapped around a galena core. Fine crystals come from Touissit in Morocco and Monteponi in Sardinia; named for Anglesey in Wales.
- Type
- Mineral
- Group
- Sulfate, barite group
- Formula
- PbSO4
- Hardness (Mohs)
- 2.5–3
- Specific gravity
- 6.3–6.4
- Streak
- white
- Lustre
- adamantine (diamond-like), resinous, vitreous (glassy)
- Crystal system
- Orthorhombic
- Colours
- colourless, white, grey, yellow, pale green, pale blue
- Transparency
- transparent, translucent, opaque
- Cleavage and fracture
- good basal, distinct prismatic; conchoidal fracture
- Under UV light
- sometimes yellow under longwave UV
Typical values: real specimens vary. For more, see mindat.org.