what is gneiss used for
Confidence votes 18. Gneiss is a banded or foliated metamorphic rock, of similar composition to granite. It is very hard and used where granite would be used, some gneisses are used as facing stone on buildings.counter tops.o. Gneiss is a high-grade metamorphic rock. Even if the gneiss  formed from what was originally a fossil-containing rock, the  metamorphism will have destroyed the fossils.