LimestoneAntiEtch® Candidate

Muschelkalk

Germany

Muschelkalk limestone — polished slab surface showing Cream coloring. Origin: Germany. Hardness: 3 Mohs. Acid sensitivity: high.

Muschelkalk

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HardnessMedium(3–4 Mohs)
SoftHard
Acid SensitivityHigh Risk — Will Etch
SafeHigh Risk
Stone TypeLimestone
Geological NameLimestone
OriginGermany
ASTM SpecificationASTM C568
ClassificationCalcareous / Sedimentary
Available FinishesPolished, Honed (Matte), Brushed, Tumbled
AntiEtch® FinishesPolished, Honed (Matte) only
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Seam Staining Precaution

Muschelkalk 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

Muschelkalk 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 Muschelkalk

Muschelkalk 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