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Stone Education
Is It Marble, Dolomite, or Quartzite? Why Stone Identification Must Come Before Restoration
Many natural stones look similar, but they don't behave the same. A correct identification is the first step to a safe and successful restoration that protects your investment.
1.Similar appearance, different behavior
Marble, dolomite, and quartzite can look almost identical in a finished slab—the same soft veining, the same luminous background. Under daily use they behave very differently: what cleans one surface safely can permanently dull another. That is why identifying the stone always comes before any restoration work begins.
2.Why identification matters
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Different porosity levels
Some stones absorb more liquids and are more prone to staining.
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Different chemical reactions
Acids and cleaners can etch marble but may be safe on quartzite—or vice versa.
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Different hardness
Harder stones require a different restoration process and abrasives.
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Different protection needs
The right sealer or AntiEtch™ application depends on the specific stone.
3.Identification happens in person
Photographs and supplier names are a starting point, but they are rarely conclusive. An on-site evaluation looks at the finish, the mineral structure, and how the surface responds in a discreet test area—then determines the correct restoration or protection plan. South Florida Marble Corp. restores existing stone surfaces and does not provide installation.
Two slabs can look identical and still require completely different care.
Important to know
Etching on marble and dolomite is surface damage, not a stain, and it will not respond to stronger cleaners. Quartzite resists etching but can still absorb liquids and stain when it is not properly sealed.
Key characteristics at a glance
| Marble | Dolomite | Quartzite | |
|---|---|---|---|
| Composition | Metamorphic stone composed of calcite | Sedimentary stone with dolomite minerals | Metamorphic stone composed of quartz |
| Hardness (MOHS Scale) | 3 – 4 | 3.5 – 4 | 6 – 7 |
| Acid Sensitivity | High | High to Moderate | Low |
| Common Issues | Etching, dullness, staining | Etching, staining | Fewer etching issues, but can stain or scratch |
| Best Care Approach | pH-neutral cleaners, polishing, AntiEtch™ protection | pH-neutral cleaners, sealing, careful maintenance | Sealing or AntiEtch™ for stain protection, proper polishing |
Common stones we identify and restore
Carrara Marble
Classic and elegant with soft gray veining.
Crema Marfil Dolomite
Warm tones with a timeless look.
Taj Mahal Quartzite
Sophisticated beauty with soft movement.
Blue Roma Quartzite
Bold and unique with natural depth.
Patagonia Quartzite
Dramatic patterns that make a statement.
Cristallo Quartzite
Soft, translucent tones with a luxurious feel.
Expert identification. Safe restoration. Beautiful results.
Schedule an in-person evaluation with South Florida Marble Corp. to identify your stone and determine the most appropriate restoration or protection plan.