1. Texture: Each piece of natural marble has a unique natural pattern and color.
2. Listen to the sound: Generally speaking, the tapping sound of high-quality stone is clear and pleasing to the ear.
3. Pervious to light: the transmittance of natural marble is high, with a lighter or flashlight irradiation of marble back, high pervious to light.
4. Distinguish man-made and natural marble still have a simpler trick: drop on a few drops of dilute hydrochloric acid, natural marble is acute-blistering, artificial marble is blistering weak even not blistering.
