Migmatite
Rock
About it
Mixed rock of dark gneissic layers and light granite-like veins, formed when gneiss partly melted; the bands often swirl and fold. Common in old shield areas such as Finland and the Canadian Shield.
- Type
- Rock (metamorphic)
- Group
- Metamorphic (foliated)
- Colours
- grey, pink, white, black, swirled
- Transparency
- opaque
Typical values: real specimens vary. For more, see mindat.org.