Matches in DBpedia 2015-10 for { ?s ?p "Noir Belge (Belgian Black) is collective noun referring to black limestone found on several sites in Belgium. Some trade names refer more specifically to the quarry were the material was found, for example "Noir de Mazy" or "Noir de Golzinne". Some Noir belge marble deposit belongs to a fine-grained calcareous sedimentary formation dated Frasnian era (Upper Devonian – around 360 millions years ago) and located on the northern border of Namur sedimentary basin. A few black limestones located in the lower Carboniferous (near the city of Dinant) To the naked eye the differences between the black marbles from different quarries are almost impossible to determine. Good "Belgian Black" is dug as an inconspicuous grey stone but becomes immaculately deep black and shining as it is polished. Its relative scarcity is due to the difficult exploiting conditions (quarries in underground operation, for example of Golzinne and Bioul). Today it is one of the most expensive marbles in the world."@en }
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- Noir_Belge abstract "Noir Belge (Belgian Black) is collective noun referring to black limestone found on several sites in Belgium. Some trade names refer more specifically to the quarry were the material was found, for example "Noir de Mazy" or "Noir de Golzinne". Some Noir belge marble deposit belongs to a fine-grained calcareous sedimentary formation dated Frasnian era (Upper Devonian – around 360 millions years ago) and located on the northern border of Namur sedimentary basin. A few black limestones located in the lower Carboniferous (near the city of Dinant) To the naked eye the differences between the black marbles from different quarries are almost impossible to determine. Good "Belgian Black" is dug as an inconspicuous grey stone but becomes immaculately deep black and shining as it is polished. Its relative scarcity is due to the difficult exploiting conditions (quarries in underground operation, for example of Golzinne and Bioul). Today it is one of the most expensive marbles in the world.".