Zinkenite
Mineral Pb9Sb22S42
Take care.
- Contains lead: Wash your hands after handling it, keep it away from children, and don't make dust.
- Toxic: Wash your hands after handling it, don't lick or taste it, and don't make dust.
About it
Steel grey needles, often in radiating sprays or felted mats, with an iridescent tarnish. Known from Wolfsberg in the Harz, Germany, and the San José mine at Oruro, Bolivia.
- Type
- Mineral
- Group
- Sulfosalt
- Formula
- Pb9Sb22S42
- Hardness (Mohs)
- 3–3.5
- Specific gravity
- 5.2–5.4
- Streak
- steel grey
- Lustre
- metallic
- Crystal system
- Hexagonal
- Colours
- steel grey, iridescent tarnish
- Transparency
- opaque
- Cleavage and fracture
- indistinct; uneven fracture
Typical values: real specimens vary. For more, see mindat.org.