This is a fairly common type of rock in the vast stain calc-alkaline granites of late to post-tectonic in relation to the third phase of the orogen Hercínico, which extends between the regions of Ponte da Barca and Celorico de Basto (NW Portugal) .
Cobbles Gray Fine Grain Granite
“Cobbling granite with quality! A bit different from the standard gray granite most important component of this type of stone is their heterogeneity, may refer biotíticas concentrations of small variations in size and granularity to the finest. Paving stone in this type of granite is a good option if you desire a more refined finish. Granite with a bright color without grit, cobble texture will be the same from beginning to end of the work. In stone world this granite material is one of the most searched, here you can finally find it. In the moment of extraction of this granite stone quarry deals with the same process as the sylver grey granite. This type of granite is used mostly for: cobbled road, cobble stone street, cobblestone driveway, cobblestone patio, park stone paving, granite tiles paving and natural stone decoration. If you want to do art stone / art granite this is a real good choice. The stone fine grain speaks for itself!„