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  2. Lueders Formation - Wikipedia

    en.wikipedia.org/wiki/Lueders_Formation

    The Lueders Formation would have been located in the northern tropics or subtropics. Climatically, after the retreat of an early Artinskian glacial maximum , the deserts of the North American craton experienced fluctuation and growth during this time period, and the associated aridity decrease impacted seabed deposition in localities across the ...

  3. List of fossiliferous stratigraphic units in Texas - Wikipedia

    en.wikipedia.org/wiki/List_of_fossiliferous_str...

    Group or Formation Period Notes Admiral Formation: Permian: Aguja Formation: Cretaceous: Alacran Mountain Formation: Permian: Albany Group/Lueders Formation: Permian: Albany Group/Waggoner Ranch Formation

  4. Chlorophane - Wikipedia

    en.wikipedia.org/wiki/Chlorophane

    Chlorophane, also sometimes known as pyroemerald, cobra stone, and pyrosmaragd, is a rare variety of the mineral fluorite with the unusual combined properties of thermoluminescence, thermophosphoresence, triboluminescence, and fluorescence: it will emit light in the visible spectrum when exposed to ultraviolet light, when heated, and when ...

  5. Lueders, Texas - Wikipedia

    en.wikipedia.org/wiki/Lueders,_Texas

    Lueders is a city in Jones and Shackelford counties in the U.S. state of Texas. The population was 258 at the 2020 census . [ 4 ] The portion of Lueders located in Jones County is part of the Abilene, Texas metropolitan area .

  6. Luminous gemstones - Wikipedia

    en.wikipedia.org/wiki/Luminous_gemstones

    Some fluorite, particularly the variety chlorophane (aka pyroemerald and cobra stone), may become very faintly luminescent simply from the heat of one's hand. Chlorophane is unusual for combining the properties of thermoluminescence, triboluminescence, phosphorescence, and fluorescence; it will emit visible spectrum light when rubbed, or ...

  7. File:Cobra-stone (Nagamani).jpg - Wikipedia

    en.wikipedia.org/wiki/File:Cobra-stone_(Nagamani...

    English: Cobra-stone is also known as snake gem, cobra pearl or Nagamani, not the snake stone. The term "cobra stone" is often used for a type of fluorite called chlorophane . Its connection to snakes is purely mythological; it is a mineral.

  8. Stone (G.I. Joe) - Wikipedia

    en.wikipedia.org/wiki/Stone_(G.I._Joe)

    Lt. Stone is the name of three different fictional characters from the G.I. Joe franchise. Each one of them are featured in a different continuity: two Lieutenants (appearing in both the animated series and comic books for G.I. Joe Extreme and G.I. Joe: Sigma 6), and a Sergeant (portrayed by Brendan Fraser in the film G.I. Joe: The Rise of Cobra).

  9. Naja - Wikipedia

    en.wikipedia.org/wiki/Naja

    Naja arabica Scortecci, 1932, the Arabian cobra, has long been considered a subspecies of N. haje, but was recently raised to the status of species. [40] Naja ashei Broadley and Wüster, 2007, Ashe's spitting cobra, is a newly described species found in Africa and also a highly aggressive snake; it can spit a large amount of venom. [41] [42]