Limestone

A rock that is formed mainly by accumulation of organic remains (such as shells or coral) and consists primarily of calcium carbonate.

Basics Works of Art

A rock that is formed mainly by accumulation of organic remains (such as shells or coral) and consists primarily of calcium carbonate.

Basics Works of Art

Basics to get you started

c. 1220–96

1118–1237 (15th century retrochoir)

1493–1503

1127–34

c. 1971–1926 B.C.E.

28 B.C.E.

late 1st century B.C.E.

1997–98

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