Gabbro is a dark-coloured, coarse-grained, igneous rock with clearly visible interlocking crystals.
Dark-coloured crystals are usually rich in iron and magnesium.
Locality - Main ridge of the Black Cuillin Mountains in Skye, Scotland
© public domain, taken by Adrian Pingstone
Hand specimen |
Locality |
Rock in use |
Close-up |
Thin section p-polars |
Thin section x-polars |