What is difference between natural marble mosaic and marble like full body glass mosaic?

what is  advantage for the marble like glass mosaic tile?

 We are China professional supplier and factory for marble vein full body glass mosaic tile , it is in full body glass material ,the water absorption is zero ,so it is waterproof and easy to clean and maintain . and it is in inkjet finish ,so it is marble like .but it not the natural marble mosaic . 

The marble like full body glass mosaic is more cheaper than the natural marble mosaic tile ,and the marble vein will be more stable than the natural marble mosaic tile , since the natural marble mosaic tile is from the natural marble quarry ,so the color will be in natural and un-control.

Black and white marble vein full body glass mosaic tile

Carla white marble vein glass mosaic tile

inkjet printing full body glass mosaic tile

oval shape grey marble vein glass porcelain glass mosaic tile