It is made from calcium carbonate.
the statue of david is carved from carrara marble
The Taj Mahal is made from Marble :) :P
The Taj Mahal is made of marble.
The statue of david is made of polished marble. Marble can only be carved!
Metamorphic
marble and sandstone
It is made out of Murphy Marble which is a type of stone.
White marble
crystals
The tower was built with limestone and lime mortar, with marble used inside.
Marble is made from metamorphosing carbonate rocks such as limestone, so it's composition is mostly calcium carbonate (like Tums, it fizzes when acid is poured on it). Slate is made from metamorphosing shale (a sedimentary rock made from small flat clay grains).
the statue of david is carved from carrara marble
Marble is the metamorphic rock formed from limestone. =)
Simply rain, gravestones are frequently made of marble and marble is etched by rain.
Those would be non-foliated metamorphic rocks, like quartzite and marble.
Sediment rocks
The Leaning Tower of Pisa is made of white marble.