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Mica schist is a rock resulting from the metamorphism of shale. Specimen originates from Grantown-on-Spey, Murrayshire
SchistA garnet schist from Moidart, Scotland. This specimen is a medium-grained metamorphic rock
Shale (right) and garnet-mica-schist (left)Shale is sedimentary and garnet-mica-schist is metamorphoc in origin. Specimen held at the Natural History Museum, London
Perched Rock, Mica Schist Resting on Quartz - a view of a perched rock on top of another one with a lady to the left for scale. (Location: Ireland). Date: circa early 1900s
Tourmaline cut stones see 666A group of tourmaline cut stones. Tourmaline is the name given to a group of eleven minerals which all have a general chemical formula
Garnetiferous schistSchist is a metamorphic rock, and this specimen show large formations of the gemstone garnet
Common rock typesA collection of common rock types - left to right - Igneous (granite), sedimentary (sandstone) and metamorphic (schist)