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    All images
    CategoryOxide mineral
    Formula (repeating unit)Aluminium oxide, Al₂O₃
    Wikipedia
    https://en.wikipedia.org/wiki/Sapphire

    Sapphire - Wikipedia

    • Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide (α-Al2O3) with trace amounts of elements such as iron, titanium, cobalt, lead, chromium, vanadium, magnesium, boron, and silicon. The name sapphire is derived from the Latin word sapphirus, itself from the Greek word sappheiros (σάπφειρος), which referred to l… See more

    Natural sapphires

    Sapphire is one of the two gem-varieties of corundum, the other being ruby (defined as corundum in a shade of red). Although blue is the best-known sapphire color, it occurs in other colors, including gray and black, and also ca… See more

    Colors

    Sapphires in colors other than blue are called "fancy" sapphires. "Parti sapphire" is used for multicolor stones with zoning of different colors (hues), but not different shades.
    Fancy sapp… See more

    Cause of color

    Rubies are corundum with a dominant red body color. This is generally caused by traces of chromium (Cr ) substituting for the (Al ) ion in the corundum structure. The color can be modified by both iron and trapped hol… See more

    Mining

    Sapphires are mined from alluvial deposits or from primary underground workings. Commercial mining locations for sapphire and ruby include (but are not limited to) the following countries: Afghanistan, Australia, Myanmar… See more

    Treatments

    Sapphires can be treated by several methods to enhance and improve their clarity and color. It is common practice to heat natural sapphires to improve or enhance their appearance. This is done by heating th… See more

    Synthetic sapphire

    In 1902, the French chemist Auguste Verneuil announced a process for producing synthetic ruby crystals. In the flame-fusion (Verneuil process), fine alumina powder is added to an oxyhydrogen flame, and this is directed do… See more

    Historical and cultural references

    • Etymologically, the English word "sapphire" derives from French saphir, from Latin sapphirus, sappirus from Greek σαπφειρος (sappheiros) from Hebrew סַפִּיר (sapir), a term that probably originally referred to … See more

    Wikipedia text under CC-BY-SA license
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    Table of Contents
    Quick Facts
    Natural sapphires
    Colors
    Cause of color
    Mining
    Treatments
    Synthetic sapphire
     

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  2. Wikipedia
    https://en.wikipedia.org/wiki/List_of_sapphires_by_size

    List of sapphires by size - Wikipedia

     
  3. Wikipedia
    https://simple.wikipedia.org/wiki/Sapphire

    Sapphire - Simple English Wikipedia, the free encyclopedia

  4. Wikipedia
    https://en.wikipedia.org/wiki/Cardinal_g…

    Cardinal gem - Wikipedia

    The five cardinal gems. Clockwise from top: sapphire, ruby, emerald, amethyst, diamond. Cardinal gems are gemstones which have traditionally been considered precious above all others. The classification of the cardinal gems dates back …

  6. Britannica
    https://www.britannica.com/topic/sapphire-gemstone

    Sapphire | Properties, Color & Uses | Britannica

  7. Gemological Institute of America (GIA)
    https://www.gia.edu/gia-news-researc…

    Sapphire Series Part 1: Introduction to Sapphire and …

    Jul 16, 2013 · Most people hear the word “sapphire” and envision a beautiful velvety blue gemstone such as the center stone in the Bismarck sapphire necklace (figure 1). But there is more to sapphire than many people realize, …

  8. People also ask
    Is Sapphire a mineral?
    Quick Facts General, Category ... Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide (α-Al2O3) with trace amounts of elements such as iron, titanium, cobalt, lead, chromium, vanadium, magnesium, boron, and silicon.

    Sapphire - Wikiwand

    wikiwand.com
    What is a sapphire gemstone?
    Sapphire, transparent to translucent, natural or synthetic variety of corundum (q.v.; aluminum oxide, Al2O3) that has been highly prized as a gemstone since about 800 bc. Its colour is due mainly to the presence of small amounts of iron and titanium and normally ranges from a very pale blue to deep

    Sapphire | Properties, Color & Uses | Britannica

    britannica.com
    What is Sapphire?
    Now reading: What Is Sapphire - Gemstone Facts and Information When it comes to iconic blue gemstones, Sapphire is simply unbeatable. Its distinguished world-class color and breathtaking clarity have been leaving people speechless for millennia, and the gem has undoubtedly made its mark on history down the ages.

    What Is Sapphire - Gemstone Facts and Information - Gemporia

    gemporia.com
    Is a sapphire a ruby?
    Sapphire is a type of the mineral corundum, an aluminium oxide (Al 2 O 3). Sapphires are the same as rubies, except that they are not red. Sapphire can be found in the ground or it can be made in large crystal. Blue sapphires are the most famous kind, but they can be many different colors, like amber and orange. Sapphires have a long history.

    Sapphire - Simple English Wikipedia, the free encyclopedia

    simple.wikipedia.org
    What is a blue sapphire?
    Blue sapphire belongs to the mineral species corundum. It can be a pure blue but ranges from greenish blue to violetish blue. The name “sapphire” can also apply to any corundum that’s not red and doesn’t qualify as ruby, another corundum variety.

    Sapphire Description - GIA

    gia.edu
    Why is a sapphire called a sapphire?
    Its name comes from the Greek word sappheiros, which probably referred to lapis lazuli. Most jewelry customers think all sapphires are blue, and when gem and jewelry professionals use the word “sapphire” alone, they normally mean “blue sapphire.”

    Sapphire History and Lore - GIA

    gia.edu
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  9. Wikiwand
    https://www.wikiwand.com/en/Sapphire

    Sapphire - Wikiwand

    Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide ( α- Al 2 O 3) with trace amounts of elements such as iron, titanium, cobalt, lead, chromium, vanadium, magnesium, boron, and silicon.

  10. Gemological Institute of America (GIA)
    https://www.gia.edu/sapphire-description

    Sapphire Description - GIA

    Explore sapphire history, research, quality factors, and more in the GIA Gem Encyclopedia.

  11. Gemological Institute of America (GIA)
    https://www.gia.edu/sapphire-history-lore

    Sapphire History and Lore - GIA

  12. International Gem Society
    https://www.gemsociety.org/article/fam…

    Eight Famous Sapphires and the Stories Behind Them

    Learn about eight sapphires that are large, beautiful, and historically important. Find out how they were mined, bought, donated, or inherited, and see photos of them.

  13. Wiktionary
    https://en.wiktionary.org/wiki/sapphire

    sapphire - Wiktionary, the free dictionary

  14. Gemporia
    https://www.gemporia.com/en-gb/gemology-hub/...

    What Is Sapphire - Gemstone Facts and Information - Gemporia

  15. Wikipedia
    https://en.wikipedia.org/wiki/Corundum

    Corundum - Wikipedia

  16. fandom.com
    https://oaklands.fandom.com/wiki/Sapphire

    Sapphire | Oaklands Wiki | Fandom

  17. American Gem Society
    https://members.americangemsociety.org/page/sapphirehistory

    History of Sapphire Gemstones | Where Sapphire Comes From

  18. The Mineral and Gemstone Kingdom
    https://www.minerals.net/gemstone/sapphire_gemstone.aspx

    The Gemstone Sapphire - The Mineral and Gemstone Kingdom

  19. Gemstones.com
    https://www.gemstones.com/gemopedia/sapphire

    Sapphire Gem Guide and Properties Chart - Gemstones.com

  20. Rock Chasing
    https://rockchasing.com/types-of-sapphire

    The 17 Different Types Of Sapphire (With Photos) - Rock Chasing

  21. Wikipedia
    https://en.wikipedia.org/wiki/Sapphire_(color)

    Sapphire (color) - Wikipedia

  22. Brilliant Earth
    https://www.brilliantearth.com/gemstones/buying-guide/sapphire

    Sapphire Stone Guide | Colors, Meaning, & Price - Brilliant Earth

  23. Wikipédia
    https://fr.wikipedia.org/wiki/Sapphire_and_Steel

    Sapphire and Steel — Wikipédia

  24. Wikipedia
    https://en.wikipedia.org/wiki/Millennium_Sapphire

    Millennium Sapphire - Wikipedia

  25. Wikipedia
    https://de.wikipedia.org/wiki/Blue_Sapphire

    Blue Sapphire – Wikipedia

  26. Wikipedia
    https://en.wikipedia.org/wiki/Pokémon_Omega_Ruby...

    Pokémon Omega Ruby and Alpha Sapphire - Wikipedia