MarbleAntiEtch® Candidate

White Thassos

Greece (Thassos)

White Thassos marble — polished slab surface showing White coloring. Origin: Greece (Thassos). Hardness: 3 Mohs. Acid sensitivity: high.

White Thassos

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HardnessMedium(3–5 Mohs)
SoftHard
Acid SensitivityHigh Risk — Will Etch
SafeHigh Risk
Stone TypeMarble
Geological NameCalcite marble
OriginGreece (Thassos)
ASTM SpecificationASTM C503
ClassificationCalcareous / Crystalline
Available FinishesPolished, Honed (Matte), Leathered, Brushed, Tumbled
AntiEtch® FinishesPolished, Honed (Matte) only
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Seam Staining Precaution

White Thassos can absorb oils from fabrication adhesives, potentially causing darkening along seams and edges. Ask your fabricator to seal all cut edges with an impregnating sealer before applying adhesive, and to use a non-staining epoxy rated for natural stone. This simple precaution prevents most seam-staining issues.

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MORE® AntiEtch® Protection Available

White Thassos is a calcareous stone susceptible to acid etching. AntiEtch® provides permanent protection against lemon, vinegar, and other common acids.

Learn More
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MB Stone I.D. Kit — Test Your Stone

Not sure what stone you have? This kit includes the tools professionals use to identify stone type, test acid sensitivity, check absorption, and determine the right care products.

Shop Stone I.D. Kit — $139.97

Premium Protection · MORE® AntiEtch®

Protect your White Thassos

White Thassos is a calcareous stone that etches from lemon juice, wine, and coffee. MORE® AntiEtch® stops it.

  • Permanent acid-etch protection
  • Invisible — keeps the natural finish
  • Installed by certified pros