How to distinguish man-made stone, natural stone staining (plus materials) and natural stone.
The natural beauty of natural stone patterns drives people to copy it, especially the lack of mining resources in the area, artificial stone products look very realistic, but on closer inspection, easier to distinguish:
1. Artificial stone patterns without layering, layering is the result of imitation is not out.
2. Artificial stone spinning flower color is the same, no change.
3. Artificial stone panels lining the back of signs of mold.

Natural Stone staining (plus materials) How to identify:
a. dyed bright colors of stone, but not natural.
b. The fracture in the plate can be seen at the level of dye penetration.
c. staining the stone commonly used stone well, a large porosity, high water absorption of the stone, then figuring out with the percussion method.
d. stain gloss stone lower than the same variety of natural stone.
e. to increase the gloss of oil coated the stone the back of a greasy feeling.
f. stone coating, although the high gloss, but the film's strength is not enough, easy to wear, light scratches to see.
g. wax to increase the gloss of the stone, matches or lighters with a baked, the wax surface that is lost, true colors emerged.