Keyword Analysis & Research: athens portoro marble


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Where does portoro marble come from?

Portoro Marble, also known as black and gold marble, is a fine variety of Italian marble from the charming Golf of Poets, in the Ligurian province of La Spezia. It is one of the most beautiful among the polychromatic marbles.

What is black and gold marble made of?

These polished slabs look as if gold has been poured directly onto the stone. The veins, streaks, spots and shadows of this black and gold marble are the result of pyrite and ocher-limonite substances.

What is the geological composition of portoro?

The geological composition of Portoro is calcareous with a microcrystalline structure. Marine substances are responsible for the dark colour and also the golden veins, which are a product of the organic marine materials oxidising. The microcrystalline structure contributes to the particularity of the Portoro and also renders the stone more compact.

What is portoro?

Portoro is a natural work of art, in front of which it is easy to become enchanted. The geological composition of Portoro is calcareous with a microcrystalline structure. Marine substances are responsible for the dark colour and also the golden veins, which are a product of the organic marine materials oxidising.


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