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Hedenbergite Syenite

Relatively rare, syenites are much less common than granites, diorites, and many other rocks. The coarse-grained specimens are most heavily located in a few regions of Germany and the United States, though they appear in some other locales as well. Despite their comparative rarity, the hard rocks are sometimes quarried for use as building stones and are typically utilized for the same type of applications as the granites.

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