Metamorphic Stone which is primarily composed of dolomite and calcite. Marble is vulnerable to acid and should be stored inside. It is easy to stain and dry veining, fissures, pitting are common in all marbles. The use in kitchens requires careful consideration.
Granite countertop prices are slightly lower than marble countertop costs. Granite begins at about $75 per square foot installed. Marble starts at closer to $100 per square foot installed. The best granitecountertops can cost $175 per square foot installed while marble can top $200.
The industry standards typically hover around 1 and 1/4 inch (or 3 centimeters) for granite and marble kitchen island countertops and 3/4 inch (or 2 centimeters) for bathroom granite and marble vanity tops.Oct 9, 2012