Where is Travertine found?
Travertine (a form of limestone)
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Open the appTravertine occurs in specific geological environments. Knowing where to look, and in what kind of rock, is the difference between going home empty-handed and finding a great specimen.
Where to find Travertine
Pamukkale, Turkey
Famous for its white terraces of travertine formed by hot springs.
Mammoth Hot Springs, Yellowstone National Park, USA
Extensive active travertine terraces and formations.
Plitvice Lakes National Park, Croatia
Known for its stunning travertine barriers and waterfalls.
Tivoli, Italy
Historically significant quarries that supplied travertine for ancient Roman structures.
Saturnia, Tuscany, Italy
Natural thermal springs forming travertine pools.
Collecting tips
- Look for Spring Deposits. Travertine forms around mineral springs, especially hot springs. Look for areas with active or ancient spring activity, often marked by terraced formations or encrustations.
- Identify Porous Texture. Its characteristic porous, often spongy texture is a key identifier. Look for voids and cavities, sometimes with impressions of fossilized plant material.
- Observe Banding and Color. Many travertine deposits exhibit distinct banding or layering, and the color palette of white, cream, tan, and brown is typical.
- Acid Test. As a form of limestone, travertine will effervesce (fizz) vigorously when a drop of dilute hydrochloric acid (HCl) is applied, due to its calcium carbonate composition. Always exercise caution when handling acids.
Quick Check
- Color:
- White, cream, tan, brown, reddish; often banded.
- Luster:
- Dull to earthy.
- Streak:
- White.
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