Look up: travertine

1. travertine
   variety of calcareous stone containing layers of open cells Category: Mining
   Found on http://www.mijnwoordenboek.nl/definition
   
   
2. travertine
   <chemical> A white concretionary form of calcium carbonate, usually hard and semicrystalline. It is deposited from the water of springs or streams holding lime in solution. Extensive deposits exist at Tivoli, near Rome. ... Origin: F. Travertin, It. Travertino, tiburtino, L. Lapis Tiburtinus, ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
3. Travertine
   • (n.) A white concretionary form of calcium carbonate, usually hard and semicrystalline. It is deposited from the water of springs or streams holding lime in solution. Extensive deposits exist at Tivoli, near Rome.
   Found on http://thinkexist.com/dictionary/meaning
   
   
4. travertine
   dense, banded rock composed of calcite (calcium carbonate, CaCO3). Formed by the evaporation of river and spring waters, it is a variety of ... [1 related articles]
   Found on http://www.britannica.com/eb/a-z/t/74
   
   
5. TRAVERTINE
   Compact calcium carbonate deposit, often banded, precipitated from spring, river or lake water. Cf. tufa.
   Found on http://www.cancaver.ca/docs/glossary.htm
   
   
6. travertine
   travertine (trăv'urtin, –tēn) , form of massive calcium carbonate, CaCO3, resulting from deposition by springs or rivers. It is often beautifully colored and banded as a result of the presence of iron compounds or other (e.g., organic) impurities. This material is variously kno...
   Found on http://www.infoplease.com/ce6/sci/A08493
   
   
7. Travertine
   Travertine is a white or light-coloured crystalline concretionary limestone, usually hard and semi crystalline, deposited from springs and rivers and used for building. Extensive deposits exist at Tivoli, near Rome.
   Found on http://www.probertencyclopaedia.com/brow
   
   
8. Travertine
   , Yellowstone National Park `Travertine` is a form of limestone deposited by mineral springs, especially hot springs. Travertine often has a fibrous or concentric appearance and exists in white, tan, and cream-colored varieties. It is formed by a process of rapid precipitation of calcium carbonate, ...
   Found on http://en.wikipedia.org/wiki/Travertine