Published at Friday, July 14, 2017, 09:07:56 by Jacqueleen Blanchard in Countertops, with total 34 images.
Quartz is found in very large quantities on our planet and is a very hard substance even in its crude form. Diamond, sapphire and topaz are the only minerals that are more scratch-resistant than quartz. If we go by the Mohs’ Hardness scale, which is used to determine the scratch resistance capacity of a mineral, quartz is ranked 7 on this scale while diamond is ranked 10. Quartz countertops that are available today consist of 93 percent quartz while the remaining 7 percent is made up of other minerals. This peculiar composition makes it naturally hard and extremely durable to use. As compared to granite kitchen countertops, quartz countertops are less porous, due to which food particles and other liquids do not stick to its surface. Also cleaning and removing stains from a quartz countertop is far easier than from a granite countertop.
Granite, on the other hand, is also a strong and dense material when extracted from the earth. It is available in the form of huge blocks which are later broken into smaller pieces of slab according to individual requirements. These granite slabs are then polished using an application of resin or polyurethane sealer, which makes it waterproof. Granite countertops are more vulnerable to contamination due to the growth of bacteria. A mild detergent and warm water can however solve this problem. The quantity of quartz in granite countertop is only 50%, which is lesser than its quantity in a quartz countertop. Due to this, granite countertops are less harder and also less crack-resistant. To get the record straight, a granite countertop is only half as hard and durable as a quartz countertop.
Over the past decade, various allegations have been made regarding granite countertops emitting dangerous levels of radon. Radon gas is a radioactive element and is a leading cause for lung cancer. This allegation has been mostly made by competing countertop material distributors. Research reveals that some granite countertops release radon gas, which has left homeowners worried.
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