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1/19/2021 A Deep Dive Into the Properties of Quartzite-Use Natural Stone <br /> by Karin Kirk I Aug 24, 2018 1 Educate <br /> Quartzite mightjust be the hottest natural stone at the moment. If quartzite were on <br /> Instagram, it would have thousands of followers, and as with any other celebrity sensation, <br /> people would wonder in hushed tones,"Can that be real?""Looks too good to be true."Or, <br /> "I'm not sure if I can trust it." <br /> With its marble looks and granite toughness, sometimes quartzite does seem too good to <br /> be true. And because of widespread mislabeling, sometimes it really isn't true. One of the <br /> downsides of quartzite's popularity is a tendency for a quartzite label to be put on stones <br /> that aren't actually quartzite. Thus, the burden falls on local dealers, fabricators, and <br /> consumers to try to figure out if a given quartzite is the real deal or if it's one of many <br /> imposters. <br /> Overall, this isn't a terrible thing. Quartzite is pushing people to look beyond aesthetics <br /> and use the properties of a stone to determine what it is and how we should use it. Looks <br /> can be deceiving(and alluring!) but a stone's inherent traits are something we can rely on, <br /> every time. <br /> Case in point, the most common mixup around quartzite is that marble is sometimes <br /> incorrectly called quartzite. Thankfully, this question is easily resolved with hardness and <br /> etching tests. Quartzite is hard; marble is soft.Anyone with a glass tile can easily tell the <br /> difference.The details are spelled out in The Definitive Guide to Quartzite. <br /> Sandstone and quartzite are similar, but different <br /> Lately I've been seeing a new wrinkle: sandstone being labeled as quartzite.This one is <br /> trickier to resolve, because sandstone and quartzite are made of the same mineral - <br /> quartz-and they have similar properties. Both sandstone and quartz have a hardness of 7 <br /> and will easily scratch glass. Neither will be etched by common acids. <br /> https:Husenaturaistone.org/properties-of-quartzite/ 4/16 <br />