Fantasy Brown Marble

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HardnessMedium(3–5 Mohs)

SoftHard

Acid SensitivityHigh Risk — Will Etch

SafeHigh Risk

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True Geology: Dolomitic marble

Fantasy Brown Marble is commercially sold as dolomite, but is geologically a dolomitic marble. This affects its actual physical and chemical properties.

Verify Before You Buy

Slab Yard Diagnostic Protocol

Marble is a beautiful, premium stone — but it has well-known performance limits. The diagnostic kit confirms you're getting genuine marble (not mislabeled) and gives you a chance to see how the slab will react to the acids you'll encounter in real life.

From your Stone ID Kit

Glass tileHCl dropper bottle (5–10%)Magnifier

The full step-by-step protocol — including expected results and red flags — is included in your downloadable Buyer's Guide.

Stone TypeDolomite

Geological NameDolomitic marble (commercially sold as marble)

OriginIndia

ASTM SpecificationASTM C503

ClassificationCalcareous — Consistent

Available FinishesPolished, Honed (Matte), Leathered, Brushed

AntiEtch® FinishesPolished, Honed (Matte) only

Get Fantasy Brown Marble’s care guide — free

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ℹ️

True Geology: Dolomitic marble

Fantasy Brown Marble is commercially sold as dolomite, but it is geologically a dolomitic marble. This distinction matters because true geological classification determines the stone's actual physical and chemical properties — which affects how it performs, how it should be maintained, and how it reacts to acids and moisture.

🛡️

MORE® AntiEtch® Protection Available

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

Learn More

From the same quarry family

More stones from the Fantasy Brown family

2 siblings

Fantasy Brown Granite

Dolomite · India

Fantasy Brown Quartzite

Dolomite · India

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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

HardnessMedium(3–5 Mohs)

SoftHard

Acid SensitivityHigh Risk — Will Etch

SafeHigh Risk

HIGH — etches from any acid

🔥Heat Tolerance

~300–400°F

💧Sealer

Yes (impregnator)

Technical Details

ASTM SpecificationASTM C503

Mohs Hardness3–5

Absorption0.05–0.20%

Density (pcf)162–175

Compressive Strength (psi)7,500–25,000

Flexural Strength (psi)≥1,000

Abrasion Resistance (Ha)10–20

Thermal Tolerance~300–400°F

ClassificationCalcareous — Consistent

Geological NameDolomitic marble (commercially sold as marble)

OriginIndia

Where can you use Fantasy Brown Marble?

Tap an application to see the full recommendation.

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Interior

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Exterior

Recommended Conditional Not Recommended

Care Instructions

Maintenance recommendations for Fantasy Brown Marble

🧹 Daily Cleaning

Wipe surfaces with a soft, damp cloth or microfiber towel
Use a pH-neutral stone cleaner — never use acidic or abrasive products
Avoid lemon, vinegar, wine, or any acidic substance on the surface
Blot spills immediately — do not wipe, as this spreads the acid

💧 Sealing Schedule

Sealer type: Yes (impregnator)
Seal every 1–2 years for normal residential use
Test with water drops — if absorption occurs within 10 minutes, it's time to reseal
Always clean the surface thoroughly before applying sealer
Allow sealer to cure fully before using the surface (typically 24 hours)

⚠️ Warning Signs — Time to Call a Pro

Dull spots or rings where liquids have sat on the surface
Visible cracks, chips, or separating seams
Discoloration or staining that won't clean away
Surface feels rough or gritty in areas that were previously smooth
White marks or dulled areas from acid etching (lemon, vinegar, wine)
Grout deterioration around the stone edges

🛒 Recommended Products

🧴

pH-Neutral Stone Cleaner

For daily cleaning. Avoid acidic or alkaline cleaners.

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Impregnating Sealer

Penetrates the stone to protect from within. Apply annually.

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MORE® AntiEtch® Treatment

Permanent acid-etch protection by Sureshine professionals.

🛡️ MORE® AntiEtch® Protection

Eliminate acid etching permanently. One application protects Fantasy Brown Marble from lemon, vinegar, wine, and all common acids. Applied by certified Sureshine professionals.

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