Section
Natural Stone
Granite, marble, quartzite, and the stones formed by nature.
What Is Natural Stone?
Natural stone is quarried from the earth and cut into slabs, tiles, and blocks. Unlike manufactured surfaces, its color, pattern, and even its performance come from geological processes rather than a factory recipe. That is its appeal — and the reason no two pieces are exactly alike.
The Three Families of Natural Stone
Natural stones are grouped by how they formed. Igneous stones such as granite crystallized from magma. Metamorphic stones such as marble, quartzite, and slate were transformed by heat and pressure. Sedimentary stones such as limestone, travertine, and sandstone formed from deposited material. The family a stone belongs to is the single best predictor of how hard and how porous it will be.
How Natural Stones Differ
Two natural stones can differ as much from each other as either differs from a manufactured surface. Granite is hard and acid-resistant; marble is softer and etches from acids; travertine is porous and pitted; soapstone is soft but dense and low-porosity. Even within one stone type, individual slabs vary — a "granite" countertop can be dense and low-maintenance, or more porous and sealing-dependent, depending on the specific stone.
Popular Natural Stones
The most common natural stones for countertops and surfaces are granite, marble, and quartzite. Travertine and limestone are widely used for floors and cladding, slate for roofing and textured floors, and soapstone for heat-loving kitchens. Onyx is used almost entirely for decorative, often backlit, features.
What to Know Before You Choose
Natural stone rewards people who understand that variation is the point. Choosing a natural stone means choosing a specific slab and accepting its unique porosity, veining, and behavior. Sealing needs, heat tolerance, and scratch resistance should always be judged on the actual stone — not on the category label.
All articles in this section
- 01 What Is Granite? Properties, Uses, Pros and Cons Granite is a natural igneous stone made mostly of quartz and feldspar, commonly used for countertops, flooring, and architectural surfaces.
- 02 What Is Marble? Properties, Uses, Pros and Cons Marble is a natural metamorphic stone formed from recrystallized limestone, known for its veining and classic appearance.
- 03 What Is Quartzite? Properties, Uses, Pros and Cons Quartzite is a natural metamorphic stone formed from quartz sandstone; it is hard and is not the same material as engineered quartz.
- 04 What Is Travertine? Properties, Uses, Pros and Cons Travertine is a natural sedimentary stone in the limestone family, formed by mineral springs and known for its pits and holes.
- 05 What Is Limestone? Properties, Uses, Pros and Cons Limestone is a natural sedimentary rock made mostly of calcium carbonate, softer and more porous than granite.
- 06 What Is Slate? Properties, Uses, Pros and Cons Slate is a natural metamorphic rock formed from shale that splits into thin layers, used for flooring, roofing, and tiles.
- 07 What Is Soapstone? Properties, Uses, Pros and Cons Soapstone is a natural metamorphic rock rich in talc — soft to the touch but dense and low-porosity, often oiled or waxed rather than sealed.
- 08 What Is Onyx Stone? Properties, Uses, Pros and Cons Onyx is a banded stone, often a form of calcite, prized for decorative and backlit uses and relatively soft compared with granite.
- 09 What Is Sandstone? Properties, Uses, Pros and Cons Sandstone is a natural sedimentary rock of cemented sand grains, often porous and used for paving, cladding, and architecture.
- 10 What Is Dolomite Stone? Properties, Uses, Pros and Cons Dolomite is a natural sedimentary stone made mostly of the mineral dolomite, often sold as a harder, denser alternative to marble.