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2. Nero Marquina marble - Wikipedia

   en.wikipedia.org/wiki/Nero_Marquina_Marble

   Nero Marquina. Nero Marquina marble (mármol negro Marquina [1]) is a high quality, black bituminous limestone extracted from the region of Markina, Basque Country in the North of Spain. [2] This variety of marble gets its black color from naturally-occurring bitumen. [3] It is one of the most important marbles from Spain.

3. List of types of marble - Wikipedia

   en.wikipedia.org/wiki/List_of_types_of_marble

   Daleti marble, Western Welega: white, white with grey veins and other colours [1] Enda Tikurir marble, Western Tigray. Newi marble, Central Tigray. Akmara marble, Central Tigray. Dichinamo marble, Western Tigray.

4. Quartz Vs. Granite: Which Stone Is Right For Your ... - AOL

   www.aol.com/quartz-vs-granite-stone-countertops...

   What Is Granite? Whereas quartz countertops are man-made, granite is a naturally occurring stone, quarried from the earth, then cut and polished into the countertop material so many know and love ...

5. Noir Belge - Wikipedia

   en.wikipedia.org/wiki/Noir_Belge

   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 where 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 ...

6. Breccia - Wikipedia

   en.wikipedia.org/wiki/Breccia

   Breccia (/ ˈbrɛtʃiə, ˈbrɛʃ -/) is a rock composed of large angular broken fragments of minerals or rocks cemented together by a fine-grained matrix. The word has its origins in the Italian language, in which it means "rubble". [1] A breccia may have a variety of different origins, as indicated by the named types including sedimentary ...

7. Quartzite - Wikipedia

   en.wikipedia.org/wiki/Quartzite

   Quartzite is a very hard rock composed predominantly of an interlocking mosaic of quartz crystals. The grainy, sandpaper-like surface is glassy in appearance. Minor amounts of former cementing materials, iron oxide, silica, carbonate and clay, often migrate during recrystallization, causing streaks and lenses to form within the quartzite. [1 ...

8. Belgian marble - Wikipedia

   en.wikipedia.org/wiki/Belgian_marble

   Description. The rock is actually not a true marble (a metamorphic rock), but a type of limestone (a calcareous sedimentary rock). Belgian marbles are available in solid dark greys or blacks; and in polychromes of red, grey, and/or pink. [2] After polishing slabs with several colors exhibit natural decorative patterns.

9. Amphibolite - Wikipedia

   en.wikipedia.org/wiki/Amphibolite

   Garnet bearing amphibolite from Val di Fleres, Italy. Amphibolite (/ æmˈfɪbəlaɪt /) is a metamorphic rock that contains amphibole, especially hornblende and actinolite, as well as plagioclase feldspar, but with little or no quartz. It is typically dark-colored and dense, with a weakly foliated or schistose (flaky) structure.