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2. Gemstone irradiation - Wikipedia

   en.wikipedia.org/wiki/Gemstone_irradiation

   The most commonly irradiated gemstone is topaz, which usually becomes blue after the process. [3] Intensely blue topaz does not exist in nature and is the result of artificial irradiation. [ 27 ] According to the American Gem Trade Association, approximately 30 million carats (6,000 kg or 13,000 lb) of topaz are irradiated every year globally ...

3. Birthstone - Wikipedia

   en.wikipedia.org/wiki/Birthstone

   In 1912, to standardize birthstones, the (American) National Association of Jewelers (now called Jewelers of America) met in Kansas and officially adopted a list. [1]: 317 The Jewelry Industry Council of America updated the list in 1952 [3]: 311 by adding Alexandrite for June, citrine for November and pink tourmaline for October.

4. Victorian jewellery - Wikipedia

   en.wikipedia.org/wiki/Victorian_jewellery

   [3] [10] Jet was used to design mourning jewellery such as bracelets, necklaces, brooches, cameos and pendants. [8] [10] After the death of Prince Albert, Queen Victoria’s love of jewellery was less evident. The Queen mostly wore jet jewels, hair jewellery containing the prince’s hair and her wedding ring. [1] [8]

5. 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]

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   Get lifestyle news, with the latest style articles, fashion news, recipes, home features, videos and much more for your daily life from AOL.

7. Gemstone - Wikipedia

   en.wikipedia.org/wiki/Gemstone

   Virtually all blue topaz, both the lighter and the darker blue shades such as "London" blue, has been irradiated to change the color from white to blue. Most green quartz (Oro Verde) are also irradiated to achieve the yellow-green color. Diamonds are mainly irradiated to become blue-green or green, although other colors are possible.