Nenfro is a

volcanic rock Volcanic rock (often shortened to volcanics in scientific contexts) is a rock formed from lava erupted from a volcano. In other words, it differs from other igneous rock by being of volcanic origin. Like all rock types, the concept of volcanic ...

, gray tuff or banded trachyte (Brocchi) or leucite phonolite lava (Rosenbusch) with a soft but compact structure, typical of the

Viterbo Viterbo (; Viterbese: ; lat-med, Viterbium) is a city and ''comune'' in the Lazio region of central Italy, the capital of the province of Viterbo. It conquered and absorbed the neighboring town of Ferento (see Ferentium) in its early history ...

region that the

Etruscans The Etruscan civilization () was developed by a people of Etruria in ancient Italy with a common language and culture who formed a federation of city-states. After conquering adjacent lands, its territory covered, at its greatest extent, rou ...

used in their sculptures of northern Lazio Cimini hills near Rome, Italy. * The Winged Lion of Vulci, in the

Louvre The Louvre ( ), or the Louvre Museum ( ), is the world's most-visited museum, and an historic landmark in Paris, France. It is the home of some of the best-known works of art, including the ''Mona Lisa'' and the ''Venus de Milo''. A central l ...

* The Centaur of Vulci, preserved in the

Villa Giulia The Villa Giulia is a villa in Rome, Italy. It was built by Pope Julius III in 1551–1553 on what was then the edge of the city. Today it is publicly owned, and houses the Museo Nazionale Etrusco, a collection of Etruscan art and artifacts. ...

in Rome * The sarcophagus of Laris Pulena MS 3488 of Civita Musarna. * The sarcophagi figured at the galleries and the entrance to the

Tarquinia National Museum The Tarquinia National Museum ( it, Museo Archeologico Nazionale Tarquiniense) is an archaeological museum dedicated to the Etruscan civilization in Tarquinia, Italy. Its collection consists primarily of the artifacts which were excavated from th ...

One of its features is to take a pinkish tint when drying.''Œuvres d'art étrusque découvertes à Castro''.
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References

Etruscan sculptures Volcanic rocks Viterbo Lazio