Yes, there can be slight variations in color in different slabs of Brazils Marine Blue quartzite. Marine Blue quartzite is characterized by its beautiful, deep blue color mixed with veins of gray, white, or beige. However, as with any natural stone, there can be variations in patterns and hues due to factors such as mineral composition, location of origin, and the specific quarry from which the stone is sourced. Some slabs may have more prominent veins, while others may display a more solid blue color. It is always recommended to view and select the specific slab you wish to purchase to ensure it meets your desired color variation.