Diaboleite
Mineral Pb2CuCl2(OH)4
Take care.
- Contains lead: Wash your hands after handling it, keep it away from children, and don't make dust.
About it
Sky-blue to deep blue square tablets of lead-copper chloride. Notable from the Mendip Hills, England, and the Mammoth–St. Anthony mine at Tiger, Arizona.
- Type
- Mineral
- Group
- Halide
- Formula
- Pb2CuCl2(OH)4
- Hardness (Mohs)
- 2.5
- Specific gravity
- 5.4–5.5
- Streak
- pale blue
- Lustre
- vitreous (glassy), adamantine (diamond-like)
- Crystal system
- Tetragonal
- Colours
- sky blue, deep blue
- Transparency
- transparent, translucent
- Cleavage and fracture
- perfect basal
Typical values: real specimens vary. For more, see mindat.org.