GNEISS - Norway
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GNEISS
Norway
A really lovely example of the metamorphic rock gneiss. One of the best we have had in stock.
Gneiss (pronounced 'nice') is formed under the extreme conditions that exist beneath mountain ranges and in the collision zone between continental plates. The very high temperatures and pressures enable the rock to change completely and new minerals to crystallise. This rock may originally have been a sedimentary rock. The hot rock became soft as it approached melting point. If it had melted completely it would, on cooling, have become a granite.
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Size: 8 x 8 x 8 centimetres
Weight: 1.1 kilograms