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  2. 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.

  3. List of decorative stones - Wikipedia

    en.wikipedia.org/wiki/List_of_decorative_stones

    The granite of the dimension-stone industry along with truly granitic rock also includes gneiss, gabbro, anorthosite and even some sedimentary rocks. Natural stone is used as architectural stone (construction, flooring, cladding, counter tops, curbing, etc.) and as raw block and monument stone for the funerary trade.

  4. Granite - Wikipedia

    en.wikipedia.org/wiki/Granite

    The word "granite" comes from the Latin granum, a grain, in reference to the coarse-grained structure of such a completely crystalline rock. [1] Granitic rocks mainly consist of feldspar , quartz , mica , and amphibole minerals , which form an interlocking, somewhat equigranular matrix of feldspar and quartz with scattered darker biotite mica ...

  5. Your Guide to the Real Cost of Granite Countertops - AOL

    www.aol.com/lifestyle/guide-real-cost-granite...

    Most slabs of granite countertops for a kitchen are one and 1/4 inches and in the bathroom a little shallower at 3/4 of an inch. The cost will also increase based on the number of cut-outs for the ...

  6. Milford pink granite - Wikipedia

    en.wikipedia.org/wiki/Milford_pink_granite

    A block of granite in 2017 from the Fletcher Granite Company. The granite is described as a light gray or light pinkish-gray to a medium, slightly pinkish or pinkish and greenish-gray biotite granite with spots from 0.2 to 0.5 inches (5.1 to 12.7 mm) across and in some cases tapering out to 1 inch (25 mm) in length. [1]

  7. List of types of marble - Wikipedia

    en.wikipedia.org/wiki/List_of_types_of_marble

    Green of Styra, Euboea. Green of Styra or Styron Evia Green, near Styra on the island Euboea (silicate marble) Hymettus marble; Parian marble; Pentelic marble; Skyros breccia; Thassos marble [3] Portosanta marble

  8. Countertop - Wikipedia

    en.wikipedia.org/wiki/Countertop

    The edges are commonly put on by hand-held routers, grinders, or CNC equipment. If the stone has a highly variegated pattern, the stone may be laid out in final position in the shop for the customer's inspection, or the stone slabs may be selected by experienced inspectors. Emerging technology allows for virtual stone placement on a computer.

  9. List of largest monoliths - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_monoliths

    Monolith with bull, fox, and crane in low relief at Göbekli Tepe. The density of most stone is between 2 and 3 tons per cubic meter. Basalt weighs about 2.8 to 3.0 tons per cubic meter; granite averages about 2.75 metric tons per cubic meter; limestone, 2.7 metric tons per cubic meter; sandstone or marble, 2.5 tons per cubic meter.