Miargyrite
Mineral AgSbS2
Take care.
- Toxic: Wash your hands after handling it, don't lick or taste it, and don't make dust.
About it
Black striated crystals with a cherry-red streak and red glints along thin edges. Known from silver veins at Bräunsdorf, Saxony, and Příbram, Czechia.
- Type
- Mineral
- Group
- Sulfosalt
- Formula
- AgSbS2
- Hardness (Mohs)
- 2–2.5
- Specific gravity
- 5.1–5.3
- Streak
- cherry red
- Lustre
- submetallic, adamantine (diamond-like)
- Crystal system
- Monoclinic
- Colours
- iron black, steel grey, deep red in thin pieces
- Transparency
- opaque, translucent
- Cleavage and fracture
- imperfect
Typical values: real specimens vary. For more, see mindat.org.