Differences Between Marbles and Travertines
Even though travertine is considered a type of marble and people frequently confuse the two, they are, in fact, very different types of natural stones created in different environments, giving them their own specific, distinct character.
Formation
Marble forms deep within the Earth's crust through the metamorphosis of sedimentary rocks like limestone and dolomite. The combined action of intense heat and pressure causes the calcium carbonate within these rocks to recrystallize completely. This process obliterates the original structures and textures of the rock and erases fossils, stratifications, and other sedimentary features, transforming sedimentary rocks into marble.
Travertine, on the other hand, forms from the precipitation of calcium carbonate minerals, typically in hot springs and limestone caves. The process begins when water containing dissolved calcium carbonate flows over limestone deposits. Exposed to heat and pressure, this water deposits minerals as it flows and evaporates, gradually building up layers of sediment that eventually solidify into travertine. These layers often display horizontal lines and may vary in color due to different mineral compositions or environmental factors.
Composition and Appearance
Both marble and travertine are primarily made up of calcium carbonate. The differences in appearance are due to their formation processes and additional minerals.
Due to the randomness of its formation, marble exhibits a diverse array of colours and textures, making each slab unique. Marble showcases a wide range of hues and textures, spanning from grey to beige, golden, dark brown, and even black, blue, or red. Typically, marble displays a solid base color with streaks of darker shades running through it. Marble contains minerals such as quartz, mica, clay, and iron oxides, which contribute to its colour variations and veining patterns.
In contrast, travertine usually presents itself in warm, Mediterranean earth tones. Its palette typically encompasses warm shades ranging from light cream to beige, gold, brown, and occasionally red. Gentle variations in colour among tiles prevent them from appearing overly uniform. Travertine contains traces of iron, silica, and other minerals, which give it its characteristic earthy tones and textures.
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Usability
In general, marble and travertine are strong natural stones that work well indoors and outdoors. To keep them looking good and lasting long, it is important to use high quality sealants and employ regular maintenance with the right products. This helps preserve their beauty and durability over time.
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