Taenite
Mineral (Ni,Fe)
About it
Nickel-rich iron alloy of iron meteorites, seen as the thin bright bands that edge kamacite in an etched Widmanstätten pattern. Rarely found on Earth outside meteorites.
- Type
- Mineral
- Group
- Native element, iron group
- Formula
- (Ni,Fe)
- Hardness (Mohs)
- 5–5.5
- Specific gravity
- 7.8–8.22
- Streak
- grey
- Lustre
- metallic
- Crystal system
- Isometric (cubic)
- Colours
- silver white, greyish white
- Transparency
- opaque
- Cleavage and fracture
- none; hackly fracture, malleable
- Magnetic
- Strongly
Typical values: real specimens vary. For more, see mindat.org.