Linarite
Mineral PbCu(SO4)(OH)2
Take care.
- Contains lead: Wash your hands after handling it, keep it away from children, and don't make dust.
About it
Intense azure-blue crystals easily taken for azurite, but heavier, and they do not fizz in acid. Superb crystals came from the Grand Reef and Mammoth mines in Arizona; named for Linares in Spain.
- Type
- Mineral
- Group
- Sulfate, basic lead-copper sulfate
- Formula
- PbCu(SO4)(OH)2
- Hardness (Mohs)
- 2.5
- Specific gravity
- 5.3–5.5
- Streak
- pale blue
- Lustre
- vitreous (glassy), adamantine (diamond-like)
- Crystal system
- Monoclinic
- Colours
- deep azure blue
- Transparency
- transparent, translucent
- Cleavage and fracture
- perfect in one direction; conchoidal fracture
Typical values: real specimens vary. For more, see mindat.org.