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  2. Gemstone irradiation - Wikipedia

    en.wikipedia.org/wiki/Gemstone_irradiation

    Gemstone irradiation is a process in which a gemstone is exposed to artificial radiation in order to enhance its optical properties.High levels of ionizing radiation can change the atomic structure of the gemstone's crystal lattice, which in turn alters the optical properties within it. [1]

  3. Amethyst - Wikipedia

    en.wikipedia.org/wiki/Amethyst

    The most suitable setting for gem amethyst is a prong or a bezel setting. The channel method must be used with caution. [42] Amethyst has a good hardness, and handling it with proper care will prevent any damage to the stone. Amethyst is sensitive to strong heat and may lose or change its colour when exposed to prolonged heat or light.

  4. List of U.S. state minerals, rocks, stones and gemstones

    en.wikipedia.org/wiki/List_of_U.S._state...

    ^ Florida's state gem, moonstone, was adopted to highlight Florida's role in the United States' Lunar program, which landed the first astronauts on the Moon. [81] ^ Since 1983, Massachusetts has had 3 other official state rocks: State Historical Rock (Plymouth Rock), State Explorer Rock (Dighton Rock), and State Building and Monument Stone . In ...

  5. List of names derived from gemstones - Wikipedia

    en.wikipedia.org/wiki/List_of_names_derived_from...

    Jacinth is a feminine given name. The gem is a yellow-red to red-brown variety of zircon. Hyacinth (given name) Given name Masculine and feminine given name. Jade: Jade (given name) Given name Jasper: Jasper (given name) Given name Means bringer of treasure in Persian. Jet (gemstone) Jet (name) Given name / surname A mineraloid derived from wood.

  6. Prasiolite - Wikipedia

    en.wikipedia.org/wiki/Prasiolite

    Prasiolite (also known as green quartz, green amethyst or vermarine) is a green variety of quartz. Since 1950, almost all natural prasiolite has come from a small Brazilian mine, [citation needed] but it has also been mined in the Lower Silesia region of Poland. Naturally occurring prasiolite has also been found in the Thunder Bay area of ...

  7. Ametrine - Wikipedia

    en.wikipedia.org/wiki/Ametrine

    Ametrine, also known as trystine, golden amethyst, or by the trade name bolivianite, is a variety of quartz with alternating zones of purple and yellow-orange coloration. Its name is a portmanteau of amethyst and citrine. While ametrine is commonly referred to as a combination of these two quartz varieties, some sources claim this is not ...

  8. Heliotrope (mineral) - Wikipedia

    en.wikipedia.org/wiki/Heliotrope_(mineral)

    A rough specimen of bloodstone. Heliotropes (from Ancient Greek ἥλιος (hḗlios) 'sun' and τρέπειν (trépein) 'to turn') (also called ematille, Indian bloodstones, or simply bloodstones) are aggregate minerals, and cryptocrystalline mixture of quartz that occurs mostly as jasper or sometimes as chalcedony (translucent).

  9. A Single Pale Rose - Wikipedia

    en.wikipedia.org/wiki/A_Single_Pale_Rose

    When Amethyst returns, Pearl immediately changes the subject and stores her phone in her gem, leaving Steven confused. Later, Steven receives a text message from Pearl: "I want to tell you but I can't. 🙊 " Steven returns home and confronts her about it, but Pearl says she hasn't used her phone since that morning.