There are no specific color variations of Noyemberyan Felsite. Noyemberyan Felsite is a type of volcanic rock found in the Noyemberyan region of Armenia. It is generally characterized by a grayish color, with variations from light to dark gray. However, as with any natural stone, there can be slight variations in color due to factors such as mineral composition and geological processes. These variations may include shades of gray, brown, or even hints of red or blue, but these are not standardized or exclusive to Noyemberyan Felsite.