Rocksday

Marble vs Travertine

How to tell them apart

Marble specimen
Marble

Limestone recrystallized by heat and pressure into a mosaic of interlocking calcite grains.

Photo: Zyance, CC BY-SA 2.5

Travertine specimen
Travertine

Banded limestone deposited by hot springs, full of small holes.

Photo: Nessa Eull, CC0

Key differences

  • Marble is crystalline with no holes.

Side by side

PropertyMarbleTravertine
TypeMetamorphic rockSedimentary rock
Mohs hardness3–43–4
LusterSugary sparkleDull to waxy
ColorsWhite, Gray, Pink, GreenWhite, Yellow, Brown, Orange
Crystal system / structureInterlocking crystals (non-foliated)Banded, porous calcite
Specific gravity2.6–2.92.4–2.7
Found inCarrara, Italy; Yule, ColoradoTivoli, Italy; Mammoth Hot Springs, Yellowstone

Properties that are the same for both are grayed out.

How to identify marble

  • Sparkly, sugary crystals on broken surfaces.
  • Fizzes in acid.
  • A knife scratches it.
  • Often swirled or veined.

Structure: Interlocking crystals (non-foliated)

Full Marble guide →

How to identify travertine

  • Cream to tan with wavy bands.
  • Small elongated holes.
  • Fizzes in acid.

Structure: Banded, porous calcite

Full Travertine guide →

More comparisons

Could you tell them apart from a blurry close-up?

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