Quartz vs. Quartzite: The Confusion Ends Here
Quartz and quartzite sound alike but are fundamentally different materials. Here's the definitive guide to understanding the difference.
By Precision Granite Works Team · Precision Granite Works, Epsom NH
The Name Problem
The single most common source of confusion in the countertop industry is the similarity between "quartz" and "quartzite." They share a name root, they're sometimes displayed in the same showroom section, and homeowners often use the terms interchangeably — sometimes with expensive consequences when they discover they've been specifying the wrong material.
These are fundamentally different materials. Understanding the difference before you make a countertop decision could save you from a maintenance nightmare or a missed opportunity.
What Quartz Is
Quartz countertops (brands: Silestone, Caesarstone, Cambria, MSI) are engineered stone — manufactured products made from ground quartz aggregate (approximately 93%) bound with polymer resins. They are not natural stone. They are made in factories, come in consistent patterns and colors, are non-porous, never require sealing, and are not heat-proof due to their resin content.
What Quartzite Is
Quartzite is a natural stone — metamorphic rock formed when sandstone undergoes heat and pressure deep within the earth, transforming it into one of the hardest stones available. It comes from quarries, not factories. Every slab is unique. It is heat-resistant (true natural stone has no resin to damage). It does require sealing. And its hardness — often exceeding granite's — makes it one of the most durable natural stone countertop options.
Why the Confusion Matters
The confusion matters most in two scenarios. First: a homeowner who wants low-maintenance (no sealing, no worrying about porosity) specifies "quartzite" and gets a natural stone that requires annual maintenance. Second: a homeowner who wants natural stone with marble-like aesthetics and true heat resistance specifies "quartz" and gets an engineered product that requires trivets and lacks the authenticity they wanted.
How to Tell Them Apart
Ask your supplier directly: "Is this natural quartzite or engineered quartz?" A reputable supplier will answer immediately and clearly. If there's any hesitation, ask to see the brand name and look it up. Natural quartzite has no brand — it comes from a quarry. Engineered quartz has a manufacturer brand (Cambria, Silestone, etc.).
At our showroom in Epsom, NH, we label every material clearly and explain the difference to every customer who asks. Come see both side by side. Call 603-736-0004 or contact us online.
Ready to Start Your Project?
Contact Precision Granite Works for a free consultation and quote at our Epsom, NH showroom.
About the Author
Written by the team at Precision Granite Works — New Hampshire's family-owned countertop fabricators. Jillian and Shawn Woodward and their team serve homeowners and builders across all of NH from our Epsom showroom.