Stone sculpture stone carving. Alabaster and softer kinds of serpentine, all about 3 on the Mohs scale, are more durable than soapstone. Alabaster, in particular, has long been cherished for its translucence. Limestone and sandstone, at about 4 on the Mohs scale, are the only sedimentary stones commonly carved. Limestone comes in a popular oolitic variety, about twice as hard as alabaster, that is excellent for carving. The harder serpentines can also reach 4 on the Mohs scale. Marble, travertine, and onyx are at about 6 on the Mohs scale. Marble has been the preferred stone for sculptors in the European tradition
Limestone leaf warbler number of recognised warbler species by 40% to 64. The limestone leaf warbler is known to occur in northern Vietnam and Laos, and also occurs in southern China. The species name, "calciatilis," means "dwelling on limestone", which refers to its natural habitat, which is broadleaved evergreen and semi-evergreen forest growing around limestone karst mountains around 700-1200m in height. This area is known for its unusual wildlife and includes the Annamite mountain range of Laos. The species name, calcialtilis, means “dwelling on limestone”, which along with its common name is a reference to its natural habitat, which is broadleaved evergreen and