When.com Web Search

  1. Ads

    related to: green onyx marble composition chart

Search results

  1. Results From The WOW.Com Content Network
  2. Chalcedony - Wikipedia

    en.wikipedia.org/wiki/Chalcedony

    Chrysoprase (also spelled chrysophrase) is a green variety of chalcedony, which has been colored by nickel oxide. (The darker varieties of chrysoprase are also referred to as prase. However, the term prase is also used to describe green quartz and to a certain extent is a color-descriptor, rather than a rigorously defined mineral variety.)

  3. List of types of marble - Wikipedia

    en.wikipedia.org/wiki/List_of_types_of_marble

    Marble mis-nomers: Cetechovice marble (cetechovický mramor) from Cetechovice, Kroměříž District: coloured [c] Karlík marble (karlický mramor), from Barrandien, Karlík, Prague-West District: black with gold-yellow-colour veins [d] Podol marble (Podolský mramor), from Vápenný Podol, Chrudim District: white, grey-white, rosy [e]

  4. Peridot - Wikipedia

    en.wikipedia.org/wiki/Peridot

    Peridot is one of the few gemstones that occur in only one color: an olive-green. The intensity and tint of the green, however, depends on the percentage of iron in the crystal structure, so the color of individual peridot gems can vary from yellow, to olive, to brownish-green. In rare cases, peridot may have a medium-dark toned, pure green ...

  5. Marble - Wikipedia

    en.wikipedia.org/wiki/Marble

    The hardness of marble is very high, because the internal structure of the rock is very uniform after long-term natural aging, and the internal stress disappears, so the marble will not be deformed due to temperature, and has strong wear resistance. It is a popular building material.

  6. Alabaster - Wikipedia

    en.wikipedia.org/wiki/Alabaster

    Calcite alabaster also is known as onyx-marble, Egyptian alabaster, and Oriental alabaster, which terms usually describe either a compact, banded travertine stone [2] or a stalagmitic limestone colored with swirling bands of cream and brown. [3]

  7. Agate - Wikipedia

    en.wikipedia.org/wiki/Agate

    Agate (/ ˈ æ ɡ ɪ t / AG-it) is a fibrous, banded variety of chalcedony, [1] which comes in a wide variety of colors. Agates are primarily formed within volcanic rock, but can also form in sedimentary rock. [2]