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  2. Thottbot - Wikipedia

    en.wikipedia.org/wiki/Thottbot

    The original Thottbot was a news aggregator created by Bill "Aftathott" Dyess, founder of the EverQuest guild "Afterlife", in March 2001. Its purpose was to comb various video game websites for news and information on a number of MMORPGs with a focus on EverQuest, and later grew to include other games such as PlanetSide, Meridian 59, Dark Age of Camelot, and World of Warcraft. [4]

  3. Iridescence - Wikipedia

    en.wikipedia.org/wiki/Iridescence

    A single iridescent species of gecko, Cnemaspis kolhapurensis, was identified in India in 2009. [22] The tapetum lucidum , present in the eyes of many vertebrates, is also iridescent. [ 23 ] Iridescence is known to be present among prehistoric non-avian and avian dinosaurs such as dromaeosaurids , enantiornithes , and lithornithids . [ 24 ]

  4. Nacre - Wikipedia

    en.wikipedia.org/wiki/Nacre

    The iridescent nacre inside a nautilus shell Nacreous shell worked into a decorative object. Nacre (/ ˈ n eɪ k ər / NAY-kər, also / ˈ n æ k r ə / NAK-rə), [1] also known as mother-of-pearl, is an organic–inorganic composite material produced by some molluscs as an inner shell layer. It is also the material of which pearls are composed.

  5. List of pearls by size - Wikipedia

    en.wikipedia.org/wiki/List_of_pearls_by_size

    A pearl is a hard, glistening object produced within the soft tissue (specifically the mantle) of a living shelled mollusk or another animal, such as a conulariid.Just like the shell of a mollusk, a pearl is composed of calcium carbonate (mainly aragonite or a mixture of aragonite and calcite) [1] in minute crystalline form, which has been deposited in concentric layers.

  6. Pearl - Wikipedia

    en.wikipedia.org/wiki/Pearl

    A black pearl and a shell of the black-lipped pearl oyster. The iridescent colors originate from nacre layers. All shelled mollusks can, by natural processes, produce some kind of "pearl" when an irritating microscopic object becomes trapped within its mantle folds, but the great majority of these "pearls" are not valued as gemstones.

  7. Ammolite - Wikipedia

    en.wikipedia.org/wiki/Ammolite

    An iridescent ammonite from Madagascar Map of North America highlighting the shallow inland sea present during the mid-Cretaceous period. Ammolite comes from the fossil shells of the Upper Cretaceous disk-shaped ammonites Placenticeras meeki and Placenticeras intercalare, and (to a lesser degree) the cylindrical baculite, Baculites compressus.

  8. Cloud iridescence - Wikipedia

    en.wikipedia.org/wiki/Cloud_iridescence

    Iridescent mid altitude clouds Iridescent polar stratospheric cloud at sunset over Aberdeen, Scotland Cloud iridescence, seen above the clouds covered with grey clouds, Pondicherry, India. Cloud iridescence or irisation is a colorful optical phenomenon that occurs in a cloud and appears in the general proximity of the Sun or Moon.

  9. Iridescent shark - Wikipedia

    en.wikipedia.org/wiki/Iridescent_shark

    The iridescent shark or iridescent shark catfish [5] (Pangasianodon hypophthalmus) is a species of shark catfish (family Pangasiidae) native to the rivers of Southeast Asia. Despite its name, it is not a shark. It is found in the Mekong basin as well as the Chao Phraya River, and is heavily cultivated for food there.