The thickness of Mexicos Storm Onyx slabs can vary depending on the specific supplier or manufacturer. However, typical thickness options for onyx slabs range from 1 centimeter (3/8 inches) to 3 centimeters (1 1/4 inches). It is important to note that these thicknesses are common, but its best to consult with the supplier or manufacturer for specific thickness options available for Mexicos Storm Onyx slabs.