Dark Barre Gray is a fine granite, composed of quartz, feldspar, and mica. The mica is both muscovite and biotite. The granite is mined at the E. L. Smith Quarry, the world’s largest “deep hole” granite quarry
Dark Barre Gray is a fine granite, composed of quartz, feldspar, and mica. The mica is both muscovite and biotite. The granite is mined at the E. L. Smith Quarry, the world’s largest “deep hole” granite quarry
