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2. List of types of marble - Wikipedia

   en.wikipedia.org/wiki/List_of_types_of_marble

   Lipová marble (lipovský mramor) from Horní Lipová, Jeseník District: dark and light-coloured; Sněžník marble (sněžníkovský mramor) from Horní Morava, Ústí nad Orlicí District: light-coloured; Supíkovice marble (supíkovický mramor) from Supíkovice, Jeseník District: grey-white; Marble mis-nomers:

3. Porphyry (geology) - Wikipedia

   en.wikipedia.org/wiki/Porphyry_(geology)

   "Imperial Porphyry" from the Red Sea Mountains of Egypt A waterworn cobble of porphyry Rhyolite porphyry from Colorado; scale bar in lower left is 1 cm (0.39 in). Porphyry (/ ˈ p ɔːr f ə r i / POR-fə-ree) is any of various granites or igneous rocks with coarse-grained crystals such as feldspar or quartz dispersed in a fine-grained silicate-rich, generally aphanitic matrix or groundmass.

4. Granite - Wikipedia

   en.wikipedia.org/wiki/Granite

   Granite (/ ˈ ɡ r æ n ɪ t / GRAN-it) is a coarse-grained intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase.It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies underground.

5. Marble - Wikipedia

   en.wikipedia.org/wiki/Marble

   Outdoor marble statues, gravestones, or other marble structures are damaged by acid rain whether by carbonation, sulfation or the formation of "black-crust" (accumulation of calcium sulphate, nitrates and carbon particles). [10] Vinegar and other acidic solutions should be avoided in the cleaning of marble products.

6. Felsic - Wikipedia

   en.wikipedia.org/wiki/Felsic

   Often the species of mafic minerals is included in the name, for instance, hornblende-bearing granite, pyroxene tonalite or augite megacrystic monzonite, because the term "granite" already assumes content with feldspar and quartz. The rock texture thus determines the basic name of a felsic rock. Close-up of granite from Yosemite National Park.

7. Verd antique - Wikipedia

   en.wikipedia.org/wiki/Verd_antique

   Verd antique is very similar in colour to the national gemstone of Ireland, Connemara marble.Connemara marble differs from the verd antiques in that it is an actual marble, rather than a serpentinite breccia, despite also having a very high serpentine content.