Quartzite is a dense natural stone formed from sandstone under intense geological heat and pressure. Our Austin crew handles every step from slab selection on the floor to final installation.
Quartzite is often confused with engineered quartz or treated like marble, but it is a distinct natural stone with its own physical characteristics. Geologically, quartzite begins as pure quartz sandstone. Tectonic compression and deep subterranean heat fuse those sand grains into an interlocking matrix of quartz crystals. The result is one of the hardest natural surfaces available for interior counters, outperforming granite on standard hardness scales.
Because of this extreme density, natural quartzite does not melt under hot cookware, and genuine quartzite will not etch when exposed to household acids like lemon juice or vinegar. However, the stone requires specialized fabrication techniques. It wears out diamond cutting blades rapidly, demands steady water cooling during cutting, and requires careful handling to prevent edge chipping during transit and installation.
At ATX Granite King, we guide property owners across Austin and the I-35 corridor through the realities of choosing and owning quartzite. We do not use third party sub crews. We help you inspect raw slabs directly on the importer floor, measure your cabinets, fabricate the stone in house, and complete the installation ourselves.
True quartzite rates higher than granite on the mineral hardness scale. It resists surface scratches from kitchen cutlery and holds up against heavy daily use. It is a dense, fused stone that does not scorch or melt when exposed to hot pans.
Unlike marble or calcium based stones, pure quartzite does not react chemically with kitchen acids. Spilled vinegar, citrus juice, tomato sauce, and wine will not create dull etch marks on the surface of a verified, genuine quartzite countertop slab.
The extreme density of fused quartz crystals requires dedicated heavy machinery, high grade diamond tooling, and continuous water feeds. Our crew takes the time to cut slowly, polish edges cleanly, and reinforce cutouts for a clean, stable fit on your cabinets.
Understanding what is going into your kitchen begins with geology. Natural quartzite is an authentic metamorphic rock formed over millions of years as sandstone is subjected to extreme geological heat and pressure. Engineered quartz, by contrast, is a manufactured product made from crushed stone bound together with polymer resins and color pigments. While engineered quartz provides consistent color and never needs sealing, the resin content makes it vulnerable to heat damage from hot pans and UV degradation in sunny rooms. Natural quartzite handles high heat without scorching.
Marble is a metamorphic rock formed from limestone or dolomite, composed primarily of calcite. This chemical makeup makes marble inherently sensitive to acids. Even a quick splash of lemon juice or salad dressing can chemically react with marble, leaving a permanent dull spot known as an etch. Quartzite is composed almost entirely of silica, which does not react with common acids. Homeowners who want the flowing, crystalline appearance of white or grey marble without the immediate risk of acid etching frequently look at quartzite as an alternative.
The visual depth of quartzite comes from light passing into the top layer of quartz crystals and reflecting back out. This translucency gives the stone an organic, luminous quality that manufactured quartz cannot replicate. However, because it is a natural product extracted from quarries around the world, every slab contains unique variations in color, structural fissures, and mineral veins. Visiting the local stone floor allows you to inspect these natural features before cutting begins. Call for a straight quote.
A significant challenge in the stone industry is the mislabeling of slabs. Several varieties of stone marketed as soft quartzite are not true quartzites at all. In many cases, these slabs are actually dolomitic marbles or stones that contain high concentrations of calcite mixed with quartz. While they may have the visual appeal of hard quartzite, they do not have the same scratch resistance or chemical resistance. If exposed to acidic liquids, these softer stones will etch just like traditional marble.
True quartzite will easily scratch a piece of glass without sustaining damage to the stone itself. If a piece of glass leaves a white scratch on the stone, or if a drop of vinegar or lemon juice bubbles on an unsealed sample, the material contains calcite. Some popular stones sold under quartzite names fall into this intermediate category. They remain beautiful and functional options, but buyers must understand their real physical properties rather than relying solely on the showroom label.
Our team helps customers evaluate slabs honestly before purchasing. We look at the specific lot, discuss its mineral tendencies, and explain what to expect in daily use. If a project requires a showpiece natural stone that can take punishment without etching, we verify that the selected lot is genuine, hard quartzite. For rental properties or flip projects where a lower investment stone makes more sense, we coordinate with our partner stone inventory. Call for a straight quote.
Fabricating quartzite is substantially harder on machinery and blades than cutting standard granite or engineered stone. Because fused quartz crystals are exceptionally hard, saws must run at slower feed rates with continuous water cooling to prevent the stone from cracking and to keep the cutting equipment from overheating. Diamond blades and polishing pads wear down much faster on quartzite than on other surfaces, which increases the labor and equipment demands for the shop.
Handling cutouts requires careful technique. When we cut openings for undermount sinks or cooktops, the internal stresses of the slab must be managed to avoid corner fractures. Our fabrication include sink cutout and sink set work as standard parts of our process. We clean the cut edges, profile the perimeter to your chosen detail, and reinforce narrow bridge sections behind sinks and cooktops prior to loading the stone onto our transport trucks.
Transport and installation demand an experienced crew. Quartzite slabs are heavy and rigid, meaning they cannot tolerate uneven handling or sudden torsional flex during transit. Our in house crew manages the process from digital templating at your property to the final placement on your cabinets. We ensure the supporting framework is level and solid, position the seams in low stress locations, and set the stone cleanly. Call for a straight quote.
While genuine quartzite is hard and impervious to chemical etching, its porosity varies significantly depending on the quarry and the specific geological formation it came from. Some quartzite varieties are extremely dense with near zero water absorption, behaving almost like glass. Other varieties have microscopic capillary networks between the fused sand grains, which can draw in water, cooking oils, or dark liquids if the surface remains unsealed.
Water absorption is distinct from chemical etching. If water penetrates an unsealed quartzite, it creates a temporary dark area that usually evaporates as the stone dries out. However, if cooking oil, grease, or red wine enters those same pores, it can create a stubborn stain that requires a chemical poultice to lift. For this reason, we apply a penetrating impregnating sealer during fabrication and installation to fill the microscopic voids beneath the polished surface.
Maintaining quartzite over time is straightforward once properly sealed. Daily cleaning requires only mild soap and warm water or a pH neutral stone cleaner. Abrasive powders and harsh alkaline cleaners should be avoided because they degrade the topical sealant layer. Homeowners can test their sealer periodically by dropping a small pool of water on the counter. If the water beads up, the seal is intact. If it begins to soak in and darken the stone, it is time to reseal. Call for a straight quote.
The countertop process begins with choosing the exact material for your project. ATX Granite King works directly with a major stone importer slab floor in Austin with 299 lots on the floor. Instead of looking at tiny sample squares or digital mockups, you walk the aisles and select the specific bundle and numbered slab that will be cut for your kitchen, bathroom, or outdoor space. This allows you to inspect the exact veining, movement, and color distribution of the rock.
Once you select your slab, our crew visits your job site to capture precise measurements and create templates. We serve Austin, Pflugerville, Round Rock, Cedar Park, Leander, Georgetown, Hutto, Jarrell, Salado, Belton, Temple, Killeen, Harker Heights, and the surrounding I-35 corridor. Because we handle the project from template to installation, there is no confusion between separate sales agents, outside cutters, and third party installers. You work with one dedicated team throughout.
After templating, our shop cuts the stone, polishes the exposed edges, prepares the sink cutouts, and sets the sink into place during final assembly. We provide project timelines in writing with your quote so you know what to expect. We are reachable seven days a week to answer questions about slab availability, layout options, or stone performance. To get accurate numbers for your layout, contact us by phone or email. Call for a straight quote.
$38 per square foot, cut, measure, and install included. Jobs over 1,000 square feet: $30 per square foot.
Sink cutout and sink set are included in the fabrication work. Non standard work is still quoted before work begins. Send the rough square footage and the rooms involved, or call (512) 297-7493 for a straight quote.
Natural quartzite is formed under deep underground heat and pressure, so it easily tolerates standard cooking temperatures. Setting a hot pan directly on the stone will not melt, scorch, or discolor the surface like it can on resin based engineered quartz. However, rapid localized temperature changes on cold stone can occasionally cause thermal stress fractures, so using trivets is still a sound habit.
The primary drawback of quartzite is its natural porosity variation combined with high fabrication difficulty. Certain slabs absorb oils quickly if not sealed regularly, leading to dark stains that require poulticing to remove. Additionally, because the stone is so dense, it is difficult to cut and shape, which makes complex custom edge profiles and field modifications more labor intensive than with softer materials like marble or standard granite.
Both quartzite and granite are excellent natural surfaces for high traffic kitchens. Granite is an igneous rock with a mix of feldspar and quartz, making it durable and heat tolerant, though it requires regular sealing to resist stains. True quartzite is generally harder than granite and often features the lighter, flowing veining patterns typically associated with marble, making it popular for bright kitchens.
Most quartzite slabs require sealing because natural microscopic pores can absorb liquids. We apply an initial penetrating sealer during fabrication and installation. In a standard kitchen, resealing is typically done every one to two years depending on the density of the specific stone and the frequency of use. Testing the surface with a few drops of water will show whether the seal remains effective.
We do not provide generic estimates because pricing depends on the exact slab you select from the 299 lots on our Austin importer floor, the linear footage of finished edges, cutout details, and the room layout. Our crew provides clear, written dates and figures based on your actual dimensions. Contact our team by phone at (512) 297-7493 or email info@atxgraniteking.com. Call for a straight quote.
Tell us the rooms, the rough square footage and what you have in mind for quartzite countertops. You get a number for the whole job, in writing, before anyone cuts anything.