• Thumbnail for Chrysoberyl
    The mineral or gemstone chrysoberyl is an aluminate of beryllium with the formula BeAl2O4. The name chrysoberyl is derived from the Greek words χρυσός...
    22 KB (2,496 words) - 22:42, 13 May 2024
  • Thumbnail for Chatoyancy
    by fibrous inclusions and cavities, as seen in cat's eye chrysoberyl. In cat's eye chrysoberyl, the chatoyant effect is caused by the presence of rutile...
    12 KB (855 words) - 21:24, 26 January 2024
  • Thumbnail for Tiger's eye
    Honey-coloured stones have been used to imitate the more valued cat's eye chrysoberyl, cymophane, but the overall effect is often unconvincing. Artificial...
    6 KB (544 words) - 12:48, 25 June 2024
  • Chalcopyrite Chambersite Charlesite Charoite Childrenite Chiolite Chondrodite Chrysoberyl Alexandrite (var.) Cymophane Chromite Chrysocolla Chrysotile Cinnabar...
    13 KB (866 words) - 05:32, 11 March 2024
  • Thumbnail for Cabochon
    stones such as star sapphires and chatoyant stones such as cat's eye chrysoberyl, a domed cabochon cut can show the star or eye, which would not be visible...
    4 KB (455 words) - 07:32, 12 September 2023
  • Thumbnail for Amber
    gemstones Agate Amazonite Amethyst Aventurine Beryl (red) Carnelian Chrysoberyl Chrysocolla Diamond Diopside Emerald Fluorite Garnet Howlite Jade Jasper...
    61 KB (6,886 words) - 16:15, 24 June 2024
  • Thumbnail for Mohs scale
    spinel, hardened steel 8.5 Chromium, silicon nitride, tantalum carbide, chrysoberyl, tongbaite 9 Corundum (including ruby and sapphire), tungsten carbide...
    18 KB (1,174 words) - 00:22, 23 June 2024
  • chalcedony and quartz) Alabaster (variety of gypsum) Alexandrite (variety of chrysoberyl) Allingite (synonym of amber) Alum Amazonite (variety of microcline)...
    41 KB (2,732 words) - 20:21, 2 June 2024
  • Thumbnail for Jewellery
    Colombian emerald, topaz, amazonite from Brazil, spinel, iolite, and chrysoberyl from Sri Lanka, ruby from India, Afghan lapis lazuli, Persian turquoise...
    98 KB (12,090 words) - 18:56, 30 May 2024
  • tourmaline. Colour change is most commonly found in alexandrite, a variety of chrysoberyl gemstones. Other gems also occur in colour-change varieties, including...
    12 KB (1,158 words) - 23:18, 14 January 2024
  • Thumbnail for Topaz
    referred to a yellow stone that was not topaz, but probably chrysolite (chrysoberyl or peridot), topaz is likely not meant here. An English superstition...
    28 KB (3,072 words) - 15:18, 2 May 2024
  • Thumbnail for Beryllium
    high in beryllium include beryl (aquamarine, emerald, red beryl) and chrysoberyl. It is a relatively rare element in the universe, usually occurring as...
    93 KB (10,011 words) - 08:57, 20 June 2024
  • Thumbnail for Obsidian
    gemstones Agate Amazonite Amethyst Aventurine Beryl (red) Carnelian Chrysoberyl Chrysocolla Diamond Diopside Emerald Fluorite Garnet Howlite Jade Jasper...
    34 KB (3,602 words) - 18:30, 12 June 2024
  • Synthetic alexandrite is an artificially grown crystalline variety of chrysoberyl, composed of beryllium aluminum oxide (BeAl2O4). The name is also often...
    5 KB (648 words) - 16:19, 2 February 2023
  • Thumbnail for Sapphire
    alexandrite simulants. This is because genuine alexandrite is a variety of chrysoberyl: not sapphire, but an entirely different mineral from corundum. Large...
    73 KB (7,222 words) - 03:29, 27 June 2024
  • 22' Cymophane, sometimes called "cat's eye"; a variety of the mineral chrysoberyl Cat's eye effect, or chatoyancy, the reflective property of certain gems...
    2 KB (323 words) - 01:51, 4 December 2023
  • Thumbnail for Phenakite
    mica-schists associated with quartz, chrysoberyl, apatite and topaz. It has long been known from the emerald and chrysoberyl mine on the Takovaya stream, near...
    8 KB (705 words) - 20:06, 18 January 2024
  • Thumbnail for Beryl
    मरकत marakata, meaning "green".[unreliable source?] Minerals portal Chrysoberyl – Mineral or gemstone of beryllium aluminate List of minerals – List...
    33 KB (3,145 words) - 19:39, 17 June 2024
  • Thumbnail for Optical phenomenon
    obscura Cathodoluminescence Caustics Chatoyancy, cat's eye gems such as chrysoberyl cat's eye or aquamarine cat's eye Chromatic polarization Diffraction...
    9 KB (970 words) - 05:58, 24 April 2024
  • Thumbnail for Peridot
    gemstones Agate Amazonite Amethyst Aventurine Beryl (red) Carnelian Chrysoberyl Chrysocolla Diamond Diopside Emerald Fluorite Garnet Howlite Jade Jasper...
    16 KB (1,628 words) - 12:51, 5 June 2024
  • Thumbnail for Euclase
    district in the southern Urals, Russia, where it is found with topaz and chrysoberyl in the gold-bearing gravels of the Sanarka (nowadays probably, Sakmara...
    4 KB (301 words) - 11:53, 8 May 2023
  • Thumbnail for Repoussé and chasing
    gemstones Agate Amazonite Amethyst Aventurine Beryl (red) Carnelian Chrysoberyl Chrysocolla Diamond Diopside Emerald Fluorite Garnet Howlite Jade Jasper...
    18 KB (2,102 words) - 19:32, 16 May 2024
  • Cca Chromschieffelinite Csfl Cookeite Ckt Cannonite Cnn Chalcocite Cc Chrysoberyl Cbrl Coombsite Cmb Canosioite Cso Chalcocyanite Ccy Chrysocolla Ccl Cooperite...
    180 KB (401 words) - 19:36, 31 March 2024
  • gemstones including Topaz, a silicate mineral of aluminium and fluorine Chrysoberyl, an aluminate of beryllium Zircon, a mineral belonging to the group of...
    675 bytes (104 words) - 03:15, 6 January 2024
  • Thumbnail for Taaffeite
    classified taaffeite as an intermediate mineral between spinel and chrysoberyl. Unlike spinel, taaffeite displays the property of double refraction...
    6 KB (517 words) - 04:26, 24 May 2024
  • Thumbnail for Crystal twinning
    is a {110} twin, which produces cyclical twins, such as in aragonite, chrysoberyl, and cerussite. In the monoclinic system, twins occur most often on the...
    51 KB (5,910 words) - 13:04, 1 June 2024
  • Thumbnail for Marcus & Co.
    Broadway in Manhattan. The designers used gemstones such as zircons, chrysoberyls, tourmalines, opals, garnets, beryls, spinels, and peridots. French miniature...
    2 KB (176 words) - 19:15, 15 March 2023
  • HMT Kingston Ceylonite Sep 1939 Anti-submarine, returned Mar 1945 HMT Kingston Chrysoberyl Sep 1939 Anti-submarine, returned Sep 1945 HMT Kingston Chrysolite Aug...
    168 KB (82 words) - 22:26, 22 April 2024
  • Thumbnail for Mogok
    stones such as spinel, lapis lazuli, garnet, moonstone, peridot and chrysoberyl are also found. The gems are found in alluvial marble gravels by means...
    11 KB (905 words) - 12:53, 9 May 2024
  • Thumbnail for Economy of Sri Lanka
    Sri Lanka is known for producing a variety of gemstones, including chrysoberyl, corundum, garnet, ruby, spinel, and tourmaline, and is the leading producer...
    116 KB (11,103 words) - 17:24, 28 June 2024