We consider this grey granite the number one grey granite because it has the most uniform colour/ pattern, and high resistance but due to its fine/medium grain is great to transform.
Gra2003 Grey SPI Alpalhão is also one of the favourite granite of world-class architects, as you may see here.
Under the ground of the city with the same name Alpalhão granite is also known as SPI granite a fine/medium-grained stone.
From this quarry, we extract fine or medium-grained granite with an elongated shape.