White background with irregular gray and diagonal black lines is visible in this stone. The crystalline material of this stone has caused it to have a very good sub and gloss, so that it reflects a very good light and despite the very superior analysis, it is considered as one of the top crystalline stones in Iran and the world. This stone is classified by density of gray and black colors. Despite its bright and crystalline-shaped background, it is very suitable for dim environments. Other Grey Cloud stone sorts also have the same transparency and beauty, except that the background color is darker or the lines are more glossy and high transparency is one of the most important features of Grey Cloud stone. The abrasive of this stone, if made of high quality, will double the transparency of the stone.