Stibnite
Mineral Sb2S3
Also called Antimonite and Antimony glance
Take care.
- Toxic: Wash your hands after handling it, don't lick or taste it, and don't make dust.
- Fragile: Handle it gently and pack it well; it breaks or crumbles easily.
About it
Long, bladed lead-grey prisms striated along their length that can bend and twist. Big sprays come from Xikuangshan and Wuning in China, Herja in Romania, and the Ichinokawa mine in Japan.
- Type
- Mineral
- Group
- Sulfide, stibnite group
- Formula
- Sb2S3
- Hardness (Mohs)
- 2
- Specific gravity
- 4.6–4.65
- Streak
- lead grey
- Lustre
- metallic
- Crystal system
- Orthorhombic
- Colours
- lead grey, tarnishing black or iridescent
- Transparency
- opaque
- Cleavage and fracture
- perfect lengthwise in one direction; crystals bend
Typical values: real specimens vary. For more, see mindat.org.