Descloizite
Mineral PbZn(VO4)(OH)
Take care.
- Contains lead: Wash your hands after handling it, keep it away from children, and don't make dust.
About it
Dark cherry-red to brown druses of small wedge-shaped crystals, the zinc partner of mottramite. Fine specimens come from Berg Aukas and Tsumeb in Namibia, and from Arizona and New Mexico.
- Type
- Mineral
- Group
- Vanadate, adelite-descloizite group
- Formula
- PbZn(VO4)(OH)
- Hardness (Mohs)
- 3–3.5
- Specific gravity
- 5.9–6.2
- Streak
- orange to reddish brown
- Lustre
- greasy, vitreous (glassy)
- Crystal system
- Orthorhombic
- Colours
- cherry red, red-brown, orange-brown, brown, black
- Transparency
- transparent, translucent, opaque
- Cleavage and fracture
- none; uneven to subconchoidal fracture
Typical values: real specimens vary. For more, see mindat.org.