From grand palaces to sleek modern homes, marble has been stealing the spotlight for centuries. Its smooth surface, striking veining and natural luster have made it a top choice for homeowners and designers alike. But have you ever stopped to wonder-what kind of rock is marble, really? How does it form? And what makes it so special?

Let’s take a closer look at the history of marble, what it’s made of, the different types out there, and how to keep this beautiful material looking like new.

What Type of Rock Is Marble?
What Type of Rock Is Marble?

So… what kind of rock is marble?

Marble is what geologists call a metamorphic rock – which basically means it’s a rock that’s gone through a transformation. It starts out as limestone or dolomite, and under extreme heat and pressure deep inside the Earth, it slowly transforms into what we know and love as marble.

Here’s what happens:

The tiny crystals of calcite in limestone recrystallize and bond together, giving marble its smooth, solid feel.

Other natural elements like clay, sand, or iron oxide sneak in during the process, creating marble’s distinctive veins and colors.

The result? A dense, durable, and stunningly beautiful stone that’s been the gold standard for elegance for thousands of years.

What's in the marble polish?
Marble rocks

What is marble made of?

At its core, marble is mostly calcite (CaCO₃) – a form of calcium carbonate. Depending on where and how it was formed, you may also find small amounts of minerals such as quartz, mica, graphite, or iron oxide. These “impurities” are what make each type of marble unique.

Main characteristics of marble

Hardness

Marble scores a 3-4 on the Mohs Scale – not as hard as granite, but that’s part of its charm. It’s soft enough to carve, which is why artists have used it for centuries to create intricate sculptures and beautiful architectural details.

Variety of colors

Marble isn’t just white! Depending on the mineral content, it can be black, green, pink, gray or even gold. Each slab has its own story to tell.

Veining

Those beautiful swirls and streaks? They’re created during the transformation process when minerals are stretched, twisted, and redistributed. This is what gives marble its artistic, almost painted look.

Popular types of marble (and why people love them)

No two slabs of marble are exactly the same-and that’s the magic. Here are some of the most popular types from around the world:

  1. Carrara Marble
    Look: Soft gray or white with delicate, feathery veins

Why we love it: It’s elegant, understated, and budget-friendly-perfect for countertops and backsplashes.

  1. Calacatta Marble
    Look: Bright white with bold, dramatic veining.

Why we love it: It screams luxury and makes a statement in floors, walls and anywhere you want a wow factor.

  1. Statuario Marble
    Look: Bright white with clean, linear veining

Why we love it: Ideal for showstopping pieces like statues, fireplaces or high-end bathrooms.

  1. Nero Marquina Marble
    Look: Deep black with sharp white veining

Why we love it: It’s bold, it’s moody, and it adds instant drama to any space.

  1. Green Marble (Verde Alpi)
    Look: Deep green hues with intricate gold or white veins

Why We Love It: Earthy, exotic and full of personality – great for creating nature-inspired designs.

Marble is a metamorphic rock

How marble shows up in today’s homes

Marble is as versatile as it is beautiful. Here are some of the top ways people are using it in their homes today:

Countertops & Backsplashes

From kitchen islands to bathroom vanities, marble countertops are always a showstopper. Pair them with a matching backsplash for a clean, unified look.

Flooring

Marble flooring adds instant luxury. Go for polished slabs for a formal vibe or textured tiles for something more down to earth. Bonus: Marble stays cool, which is perfect for warm climates.

Accent Walls & Wainscoting

Want to spruce up your living room or bathroom? A marble accent wall can completely transform the space-and trust us, guests will notice.

Furniture & Decor

A marble coffee table, decorative bowl or end table adds a touch of sophistication without going over the top. It’s the little things that make a big impact.

King Marble Care (It’s Easier Than You Think)

Marble may be fancy, but it’s not high-maintenance-if you treat it right. Here’s how to keep it looking its best:

Seal It Up
Apply a high-quality sealant every 6-12 months, especially in high-traffic areas. This will help prevent stains from building up.

Clean Gently
Use a pH-neutral cleaner made specifically for stone. Stay away from acidic cleaners such as vinegar or lemon – they can damage the surface.

Protect the surface
Use coasters under drinks, mats under hot pans and felt pads under furniture. It only takes a little effort to prevent major damage.

Clean up spills immediately
If you spill coffee, wine, or citrus juice, dab (not rub!) the spill immediately. Marble is porous and can stain quickly if you’re not careful.

Polish occasionally
When your marble starts to lose its luster, a professional polish can bring it back to life.

Marble: A Story Written in Stone
Marble isn’t just a pretty face – it’s a piece of Earth’s history, sculpted over millions of years. What began as humble limestone becomes something truly special through the power of nature and time.

Whether you’re designing a kitchen that turns heads or curating an elegant entryway, marble adds depth, history and beauty in a way few materials can match.

Thinking about using marble in your next project?

We’d love to hear your ideas-or help you choose the perfect natural stone from our handpicked collection.