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Hornblende Syenite
The term syenite was coined by the early Roman scholar Pliny the Elder, who utilized it as a designation for rocks that appeared similar to the hornblendic granite of Syene in Egypt, which was widely used in antiquity as a building material. However, in modern times, the word has come to refer to any of a class of plutonic rocks basically composed of feldspar and a ferromagnesian mineral.
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