Cervantite
Mineral Sb2O4
Take care.
- Toxic: Wash your hands after handling it, don't lick or taste it, and don't make dust.
About it
Yellow to white powdery crusts and needle-shaped pseudomorphs after stibnite. Named for Cervantes, Spain; much material labelled cervantite is stibiconite or a mix of antimony oxides.
- Type
- Mineral
- Group
- Oxide
- Formula
- Sb2O4
- Hardness (Mohs)
- 4–5
- Specific gravity
- 6.4–6.6
- Streak
- light yellow to white
- Lustre
- greasy, pearly, earthy
- Crystal system
- Orthorhombic
- Colours
- yellow, white, cream, orange-yellow
- Transparency
- translucent, opaque
- Cleavage and fracture
- perfect basal
Typical values: real specimens vary. For more, see mindat.org.