Keyword Analysis & Research: nero portoro marble


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What is Nero portoro?

What is Nero Portoro? The finest black marble in the world What is Nero Portoro marble? The Nero Portoro marble quarry is based in Portovenere which is an island in La Spezia province, Liguria Region, northern Italy.

Where is Nero portoro marble quarry located?

The Nero Portoro marble quarry is based in Portovenere which is an island in La Spezia province, Liguria Region, northern Italy.

What is portoro marble?

Portoro is an Italian black marble which formed approximately 200 million years ago, its extraction first began at the time of the Roman Empire and the marble was discovered by the sculptor Domenico Casella, who at the time obtained the required permission to extract the material from the senate of the Province of Genoa.

What are portoro slabs?

Portoro blocks are of medium/small size and their value is increased by their very limited availability, as a consequence of this the average slab dimension is slightly smaller than regular slabs; the thickness the blocks are cut to is always 20mm (or 3/4”).


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