Galena
Mineral PbS
Also called Lead glance
Take care.
- Contains lead: Wash your hands after handling it, keep it away from children, and don't make dust.
About it
Heavy, bright lead-grey cubes that break into smaller cubes; the main ore of lead. Classic localities include the Tri-State district around Joplin, Missouri's Viburnum Trend, and Dalnegorsk, Russia.
- Type
- Mineral
- Group
- Sulfide, galena group
- Formula
- PbS
- Hardness (Mohs)
- 2.5–2.75
- Specific gravity
- 7.2–7.6
- Streak
- lead grey
- Lustre
- metallic
- Crystal system
- Isometric (cubic)
- Colours
- lead grey, silver grey
- Transparency
- opaque
- Cleavage and fracture
- perfect cubic; subconchoidal fracture
Typical values: real specimens vary. For more, see mindat.org.