 | This article relies largely or entirely on a single source .(August 2009) |
Porto Buono or Nero Portoro is a decorative stone from Porto Venere, near Spezia, Liguria, Italy. It is a Jurassic golden or white veined black Limestone. [1] [2]
| | This article relies largely or entirely on a single source .(August 2009) |
Porto Buono or Nero Portoro is a decorative stone from Porto Venere, near Spezia, Liguria, Italy. It is a Jurassic golden or white veined black Limestone. [1] [2]
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