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  2. Gemstone Meanings: Power and Significance of the 25 Most ...

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    “From monetary to spiritual worth, the value of gemstones is vast, varied, and lasting,” she says. Before buying any old gem, though, keep reading to uncover the 25 most popular gemstones ...

  3. Are lab-grown diamonds 'worthless'? Experts weigh in as ... - AOL

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    The International Gem Society acknowledges this, writing, “The environmental impact of manufacturing diamonds isn't negligible.” Producing one carat of lab-grown diamond releases more than ...

  4. Move over diamonds, these little-known gemstones are heating up

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    In 2016, jeweler Olivia Young of Ouroboros sold a red spinel ring for £6,000 ($7,700). Last year, the client’s insurance company paid out £30,000 ($38,400) to replace it.

  5. Hierarchy of precious substances - Wikipedia

    en.wikipedia.org/wiki/Hierarchy_of_precious...

    The measurement of sales of popular music starts high relative to the wedding anniversary scale, concentrating on gold and platinum (see gold album).Likewise, credit card companies usually have a "gold card" and a "platinum card" (many formerly had a "silver card" then followed by a "gold card", but due to similarity in appearance between silver and platinum these were often discontinued with ...

  6. Topaz - Wikipedia

    en.wikipedia.org/wiki/Topaz

    Topaz is a silicate mineral made of aluminum and fluorine with the chemical formula Al 2 Si O 4 (F, OH) 2.It is used as a gemstone in jewelry and other adornments. Common topaz in its natural state is colorless, though trace element impurities can make it pale blue or golden brown to yellow-orange. [7]

  7. 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]

  8. Diamond industry ‘in trouble’ as lab-grown gemstones tank ...

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    “A diamond is forever,” but perhaps not for the increasing number of consumers spurning the gemstone for lab-grown counterparts, gold and even other colored gemstones. The slogan was coined by ...

  9. List of sapphires by size - Wikipedia

    en.wikipedia.org/wiki/List_of_sapphires_by_size

    Sapphires are a precious gemstone, a variety of the mineral corundum, consisting of aluminum oxide (α-Al 2 O 3) with trace amounts of elements such as iron, titanium, chromium, copper, or magnesium. It is typically blue, but natural "fancy" sapphires also occur in yellow, purple, orange, and green colors; "parti sapphires" show two or more colors.

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