Natural and Engineered Stone: Types and Where to Use Them
Marble, granite, onyx, engineered quartz, porcelain slabs and acrylic solid surface: how they differ, where to use each, and how to choose.
Stone remains the defining material of premium interiors — from countertops to floors and façade cladding. But “stone” as a catch-all hides materials with fundamentally different properties: natural mineral with veining and pores, engineered composite with controlled strength, large-format ceramic, and cast polymer. Getting the choice wrong means either overpaying for properties you don’t need, or ending up with stone that cracks, darkens or scratches where you least expect it. Here’s a breakdown of the types and where each one belongs.
Natural stone: marble, granite, onyx, travertine
- Marble. A metamorphic rock with characteristic veining (Calacutta, Carrara, Statuario). The premium aesthetic benchmark, but soft on the Mohs scale (3–4) and porous — it absorbs acids (wine, citrus) and scratches from everyday abrasion. Requires sealing with a protective treatment and is not a safe default for high-use kitchen counters or outdoor floors in a tropical climate.
- Granite. An igneous rock, harder than marble (6–7 on the Mohs scale), resistant to acids, scratches and UV exposure. Holds its polish outdoors and works well for kitchen counters, floors and façade cladding in hot, humid climates.
- Onyx. A semi-translucent banded mineral that transmits light when backlit — a striking accent material for bar fronts, feature panels and reception desks. Softer than marble, brittle, and requires a backing panel (fiberglass mesh or resin) and lighting at installation; limited quarrying keeps the price premium.
- Travertine. A porous sedimentary stone with characteristic surface pitting (filled with resin when polished, or left open for a textured look). A warm beige tone, popular for patio floors and villa façades; pores need sealing in wet zones.
Engineered stone: quartz composite
Engineered quartz is a slab made from 90–93% quartz sand and chips, compressed with 7–10% polymer resin under vacuum and high pressure. The result is a uniform material free of the pores, fissures and natural flaws found in natural stone, with consistent color and pattern across the batch.
- Strength. Harder than most natural stone, resistant to scratches and acids, no sealing required.
- Heat limit. The polymer resin binder melts and clouds on direct contact with cookware above 150°C (300°F) — always use a heat pad under a kitchen counter.
- Consistency. Unlike marble, the pattern repeats reliably across every slab in a batch — useful for large surfaces without visible seams or tone shifts.
Porcelain slabs as a stone alternative
Large-format porcelain panels (900×1800 to 1600×3200 mm, 6–12 mm thick), pressed and fired above 1200°C, are increasingly replacing natural stone on countertops, floors and ventilated façades. They resist acids, scratches, UV and high heat — you can set hot cookware directly on the surface without a trivet. They’re also 3–4 times lighter than stone of the same area, reducing the load on cabinetry and structural floors. The trade-off: the thinner panel demands careful transport and installation on a reinforced substrate, since a point impact on an edge can chip it. More on formats and logistics in our guide to sourcing tile and porcelain from China.
Acrylic solid surface (Corian and equivalents)
A cast composite based on acrylic resin with a lower mineral filler ratio than engineered quartz. Its main advantage is formability: the material can be shaped into seamless, curved surfaces (reception counters, integrated sinks, wall panels) and is repairable — scratches and small chips sand out without a trace. It’s softer than quartz and vulnerable to point-source heat and abrasion, so it sees less use in heavy-duty kitchen work surfaces and more in reception areas, bathrooms and curved forms.
Comparison table: which stone for which job
| Material | Hardness / durability | Porosity | Outdoor use | Typical zone |
|---|---|---|---|---|
| Marble | Medium, scratches, vulnerable to acids | High, needs sealing | Limited (patio floors, not counters) | Floors, walls, accent bathroom counters |
| Granite | High, resists acids and UV | Low | Yes | Kitchen counters, floors, façades |
| Onyx | Low, brittle | Medium | No | Backlit panels, bar fronts, décor |
| Travertine | Medium | High (open pores) | Yes (with sealing) | Patio floors, villa façades |
| Engineered quartz | High, resists acids and scratches | Near zero | Limited (UV can dull some collections) | Kitchen and bathroom counters |
| Porcelain slab | Very high, resists acids, scratches, heat | Near zero | Yes | Counters, floors, ventilated façades |
| Acrylic solid surface | Medium, vulnerable to heat and abrasion | Zero (non-porous) | No | Reception desks, sinks, curved forms |
What to specify when ordering from a factory
- Slab thickness (natural stone is typically 20 or 30 mm; porcelain slabs run 6–12 mm) and the geometry tolerance on edges and sink/cooktop cutouts.
- Batch and tone — natural stone is cut from different quarry blocks, while engineered quartz and porcelain slabs come from different production runs; the entire installed surface should come from a single run, or a visible tone shift is unavoidable.
- Slip resistance class R (DIN 51130) for outdoor and wet zones — R11 minimum for pool decks and terraces.
- Edge finishing and sealing — marble, travertine and onyx need protective sealing before shipment, not “on-site after installation.”
More on batch acceptance and lab reports in our guide to quality control in China.
Sourcing stone from China through Dream View
Dream View is a sourcing agent with a fixed 10% commission on order value. We match projects with the right factory — from engineered quartz for kitchen counters to porcelain slabs for a ventilated villa façade — align thickness, batch and sealing specs before production starts, and verify tone and geometry during pre-shipment inspection. Sourcing stone direct from the factory in China typically saves up to 70% versus local suppliers.
Outfitting a villa, hotel or commercial project and need stone or a stone alternative matched to a specific load and climate? Email us at orders@dreamviewchina.com or request a quote on our services page — we’ll shortlist factories and estimate cost and delivery for free.
Frequently asked questions
Which is stronger — natural marble or engineered quartz?
Engineered quartz wins on hardness and chip resistance: quartz sand makes up 90–93% of the material versus a polymer resin binder, and the slab is more uniform than natural stone, which carries fissures and voids. Marble only beats quartz on open-flame heat resistance, but loses on acid and scratch resistance.
Can you put engineered quartz on a kitchen counter next to the stove?
Yes, but with a trivet: quartz contains 7–10% polymer resin, which can cloud or crack from localized overheating on contact with cookware above 150°C (300°F). Unlike natural stone, you cannot set a pan straight off the burner on quartz — always use a heat pad.
How does porcelain slab differ from natural stone for countertops?
Slabs are large-format porcelain panels 6–12 mm thick, pressed and fired at high temperature. They are 3–4 times lighter than natural stone, and resist acids, scratches and UV, but need different installation practices — reinforced substrates and careful handling, since the thinner panel is more prone to edge chipping from point impact.
What is onyx and why is it so expensive?
Onyx is a semi-translucent banded mineral that, unlike marble or granite, lets light pass through when backlit. Quarrying is limited (mainly Iran, Pakistan, Afghanistan), the usable yield per block is low, and installation requires a backing panel and lighting — hence the premium price and its role as an accent material rather than a general-purpose one.
How does acrylic solid surface differ from engineered quartz?
Acrylic solid surface (Corian and equivalents) is a cast composite based on acrylic resin with a lower mineral filler ratio than quartz. It is repairable — scratches and chips sand out without a trace — and can be formed into seamless curved shapes, but it is softer than quartz and vulnerable to heat and abrasion, so it is used for sinks, reception counters and curved forms rather than heavy-duty kitchen work surfaces.
Which stone should I choose for a pool deck on a Thailand villa?
Honed or flamed granite, or structured porcelain slab rated R11–R13 for slip resistance — both resist sun fading and chlorinated water. Marble and onyx are unsuitable for open pool areas: their porous polished surface darkens from moisture and chlorine and becomes slippery.