Greece · Marble

Thassos

also known as Thassos White, Snow White

An intensely white, crystalline Greek marble with little to no veining: the brightest natural white available. Used for luminous bathrooms, spas and pools.

Origin: Skaloma / Prinos quarry district, Thassos island, Kavala region, Thassos island, Macedonia, Greece
Stone type: Marble (ASTM C503 — Marble)
Density: 2.72 g/cm³
Look: pure white, crystalline, bright
Finishes: polished, honed
Formats: slab, tile, cut-to-size, mosaic
Exterior use: Suitable — dense, exterior-grade
Est. yield / waste: 10-12% — low slab-to-slab variability, no vein bookmatching required
US import (HTS): 6802.91.05.00

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Produced by Aegean Marble Group · Drama / Thassos / Penteli

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Verified stock · Verona network

3slabs in stock

1blocks

150 × 130 cmaverage slab

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Thassos slab in stock — 150 × 130 cm · 2 cm · in stock, Verona

Stock moves; figures indicative and confirmed at enquiry. Blocks available to order for cut-to-size and book-matched runs.

Origin & quarry

Thassos marble is quarried on the northern Aegean island of the same name, in the Kavala regional unit of northern Greece. The deposit is a dolomitic metamorphic marble so pure in calcite and dolomite that it carries almost no iron or manganese inclusions. This is the source of its trademark optical white, brighter than any Italian white marble. The island quarries have been active since antiquity; Roman architects imported Thassos for temple colonnades throughout the Eastern Mediterranean.

Geology. Dolomitic crystalline marble, Triassic-Jurassic. Extremely low iron and silica content — virtually no coloured minerals — produces the pure optical-white colour and near-zero veining unique to this deposit.

Where it works

Specify with confidence

Pool surrounds and spa interiors — chlorine-tolerant, no iron staining, non-slip in textured finishes
Bathroom floors and walls where serene white uniformity is the design intent
Backlit feature panels — the stone is semi-translucent and glows under hidden LED strips
Luxury hospitality wet rooms and hammam flooring

Use with care

Heavily trafficked polished floors — specify honed or bush-hammered finish for slip resistance
Unprotected outdoor horizontal surfaces in severe freeze-thaw climates — seal annually
Acidic environments (citrus, pool pH imbalance) without regular stone sealer maintenance

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Aegean quarry group — Thassos island

Quarry direct · Thassos island · Greece

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Reference projects

Luxury residential pool complex

Residential · Athens, Greece · 2022

Greek architects specify Thassos as the default premium pool marble for its chlorine resistance and pure white reflection

Five-star spa suite cladding

Hospitality · Dubai, UAE · 2019

Island-quarried Thassos for hammam walls and wet room floors; no iron staining after years of pool-chemistry exposure

Good to know

Is Thassos really the whitest marble commercially available?

It is. The near-zero iron and mineral inclusions of the Thassos deposit produce an optical white measurably brighter than Italian whites (Statuario and Bianco Carrara always carry grey movement). The trade-off is less visual drama. For projects where pure uniform white is the intent, nothing else matches it.

Can Thassos be used for pool decks and wet areas?

Yes — it is one of the preferred choices for luxury pool surrounds and hammam flooring. It reflects light, shows no iron staining with prolonged water contact, and in bush-hammered or flamed finish provides excellent slip resistance. Specify a penetrating sealer at installation and re-apply every 2-3 years.

How does the price compare to Bianco Carrara?

Thassos typically runs 15-30% above Bianco Carrara and is comparable to lower-grade Statuario. The premium reflects the rarity of the zero-vein deposit, island logistics and consistent slab uniformity, which means less off-cut waste in installation.

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