How Quartzite is Different From Granite
Whereas granite is an igneous rock found more abundantly than quartzite, deep in the earth’s crust, providing the base for the many continents’ sedimentary rock, quartzite consists of a larger volume of quartz than granite; under heat and pressure combined, quartzite is formed from sandstone and quartz, and with the amount of pressure undergone, empty grains of sandstone are stuffed with quartz. This means quartzite is actually harder. On the Mohs scale of hardness, from 1 to 10 with 10 being the hardest, granite measures in at around 6-6.5, and quartzite measures in at approximately 7.
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Quartzite is also considered to be a more exotic stone and consequently more rare. It is more expensive than granite and most other stones. It combines the hardness of granite with the beauty of a marble. It is still considered to be porous. It must still be sealed and maintained with proper cleaning products. Etching, dullness and scratching still can occur with all natural stones. Quartzites also have natural fissures that can open and be susceptible to cracking. This is a natural product and we offer no guarantees against wear.