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  2. 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 ...

  3. Talk:List of displayed Bell AH-1 Cobras - Wikipedia

    en.wikipedia.org/wiki/Talk:List_of_displayed...

    68-15116 AH-1, Helicopter, Attack, Cobra - Stone Museum - Monroe Township, NJ 68-15138 AH-1, Helicopter, Attack, Cobra - American Helicopter Museum & Education Center - West Chester, PA 68-15146 AH-1, Helicopter, Attack, Cobra - American Airpower Heritage Museum - Midland, TX

  4. 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 ...

  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. 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.

  7. Geology of Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Pennsylvania

    The limestones and dolomites of this area are extensively quarried in Pennsylvania. These carbonate rocks are used for variety of purposes including, crushed stone, cement manufacturing, fertilizers, and coal-mine dust (reduces acid mine drainage) [12] Karst features are problematic in the Great Valley.

  8. Pennsylvania Route 897 - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Route_897

    Pennsylvania Route 897 (PA 897) is a 41.7-mile-long (67.1 km) north–south route in eastern Pennsylvania, United States.The southern terminus is at an intersection with U.S. Route 30 (US 30) in Gap.

  9. Interstate 81 in Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Interstate_81_in_Pennsylvania

    Southern terminus of PA 29: Wilkes-Barre Township: 164.70: 265.06: 45: 165: PA 309 south / PA 309 Bus. north – Wilkes-Barre, Mountain Top: Southern end of PA 309 concurrency; signed as exits 165A (south) and 165B (north) northbound; southern terminus of PA 309 Bus. 167.90: 270.21: 46: 168: Highland Park Boulevard – Wilkes-Barre: Serves ...