Travertine

Travertine yuav ua subterranean springs, dej ntws underground, thiab lwm yam dej haus. Cov chaw dej no nqa ntxhia xws li calcium carbonate uas nthuav ua nyob ntev lub sij hawm rau tib txoj kev stalactites thiab stalagmites hauv qhov tsua yog ua. Lub pob zeb resultant yog ib tug swm thiab tawv heev caw ntxiv thaum yus muaj qhov ntxeem tau nto. Muaj tej qhov hws ntawm gases escaping raws li tus travertine yuav ua. Yog lub sij hawm nws yog quarried, yog zoo nkauj lawm travertine – du, tuab zeb uas yuav teev cia ib creamy notable xim uas evokes ib paj old-world ca. (Muaj nyob rau hauv pebhttp://www.marble-Guide.com/)