Mineral Hardness Scale - Specialty KitchensMohs Scale of Relative Mineral Hardness . Slate 2.5-4; Marble 3-4; Line 3-4; Travertine 4-5; Sandstone 6-7; Granite 6-7; Natural . Wood Hardness Chart.list of marble and quartzite mohs scale hardness,The Strength of Marble and Granite | Seattle Granite MarbleBoth seem strong, but hardness ratings for granite and marble differ, which factors . The Mohs scale of mineral hardness was developed to identify the strength.
list of marble and quartzite mohs scale hardness