Peridotite is a very dark-coloured, coarse-grained. igneous rock with clearly visible interlocking crystals.
Dark-coloured crystals are usually rich in iron/magnesium.
Locality - Setter Quarry, Unst, Scotland
© Peter Knudssen / CC BY-SA 2.0
Hand specimen |
Locality |
Rock in use |
Close-up |
Thin section p-polars |
Thin section x-polars |