When.com Web Search

  1. Ads

    related to: red star ruby

Search results

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

    en.wikipedia.org/wiki/Kremlin_stars

    Vector representation of a Kremlin star The red star at the Spasskaya Tower. The Kremlin stars (Russian: Кремлёвские звёзды, romanized: Kremlyovskiye zvyozdy) are pentagonal luminescent ruby stars, installed in the 1930s on five towers of the Moscow Kremlin, replacing gilded eagles that had symbolized Imperial Russia.

  3. Asterism (gemology) - Wikipedia

    en.wikipedia.org/wiki/Asterism_(gemology)

    The archetypal asteria is the star sapphire, generally corundum with near uniform impurities which is bluish-grey and milky or opalescent, which when lit has a star of six rays. In the red instance stellate reflection is rarer; the star-ruby occasionally found with the star-sapphire in Sri Lanka is among the

  4. Ruby - Wikipedia

    en.wikipedia.org/wiki/Ruby

    Ruby is a pinkish red to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). Ruby is one of the most popular traditional jewelry gems and is very durable. Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, alongside amethyst, sapphire, emerald, and diamond. [3]

  5. Estrela de Fura - Wikipedia

    en.wikipedia.org/wiki/Estrela_de_Fura

    The ruby was discovered by Dubai-based FURA Gems in its mine in Mozambique on July 21, 2022. [2] [3] [4]Before its unveiling and cutting, Daniel Nyfeler, managing director of Gübelin Gem Lab, stated: "the Estrela de Fura ruby is likely to yield an intense, saturated red colour once fully and properly faceted with adequate proportions, is relatively free of eye-visible inclusions.

  6. 119 Tauri - Wikipedia

    en.wikipedia.org/wiki/119_Tauri

    119 Tauri (also known as CE Tauri) is a red supergiant star in the constellation Taurus. It is a magnitude 4 star, visible to the naked eye under good observing conditions. A semiregular variable, its angular diameter has been measured at about 10 mas. It is a similar star to Betelgeuse although redder and more distant. [6]

  7. List of rubies by size - Wikipedia

    en.wikipedia.org/wiki/List_of_rubies_by_size

    A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide).Other varieties of gem-quality corundum are called sapphires.Ruby is one of the traditional cardinal gems, together with amethyst, sapphire, emerald, and diamond. [1]

  8. Sapphire - Wikipedia

    en.wikipedia.org/wiki/Sapphire

    A star sapphire is a type of sapphire that exhibits a star-like phenomenon known as asterism; red stones are known as "star rubies". Star sapphires contain intersecting needle-like inclusions following the underlying crystal structure that causes the appearance of a six-rayed "star"-shaped pattern when viewed with a single overhead light source.

  9. Red star - Wikipedia

    en.wikipedia.org/wiki/Red_star

    A red five-pointed star A New Year tree with a red star in front of a church cupola in Volokolamsk, Russia, 2010.. A red star, five-pointed and filled, is a symbol that has often historically been associated with communist ideology, particularly in combination with the hammer and sickle, but is also used as a purely socialist symbol in the 21st century.