Portoro or Portovenere black marble is a precious variety of Italian marble from the beautiful Gulf of Poets, in the Ligurian province of La Spezia, and is one of the most beautiful among polychrome marbles. It is a very precious Italian stone of intense and bright black color with golden veins ranging from intense yellow to honey. The appearance of his texture is a deep and intense black, almost velvety, appreciable particularly in the polished slabs, on which it seems that they have poured gold from a glass. Venatures, streaks, patches and shadows are actually the result of the presence of pyrite and ocher-long-limonical substances. At Stylized Table Sculpture with Clean, Elegant Lines, The Marble Obelisk Fits Into All Types of Furniture and Environments, from Classic to Modern. It M.
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