Norite
Rock
About it
A gabbro whose main dark mineral is orthopyroxene (hypersthene) rather than augite, looking like a dark grey gabbro. Makes up much of the Sudbury Igneous Complex in Ontario and parts of the Bushveld Complex in South Africa.
- Type
- Rock (igneous)
- Group
- Igneous (plutonic)
- Specific gravity
- 2.8–3.1
- Colours
- dark grey, black, greenish grey
- Transparency
- opaque
Typical values: real specimens vary. For more, see mindat.org.