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  2. Cave of the Crystals - Wikipedia

    en.wikipedia.org/wiki/Cave_of_the_Crystals

    Cave of the Crystals or Giant Crystal Cave (Spanish: Cueva de los cristales) is a cave connected to the Naica Mine at a depth of 300 metres (980 ft), in Naica, Chihuahua, Mexico. It takes the form of a chamber within the limestone host rock of the mine, and is about 109 metres (358 ft) long with a volume of 5,000 to 6,000 cubic metres (180,000 ...

  3. Naica Mine - Wikipedia

    en.wikipedia.org/wiki/Naica_Mine

    The Cave of the Crystals is a cave approximately 300 m (1,000 ft) below the surface in the limestone host rock of the mine, about 109-metre (358 ft) long, with a volume of 5,000 to 6,000 cubic metres (180,000 to 210,000 cu ft). [7] The chamber contains giant selenite crystals, some of the largest natural crystals ever found.

  4. Selenite (mineral) - Wikipedia

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

    Selenite, satin spar, desert rose, and gypsum flower are crystal habit varieties of the mineral gypsum.. All varieties of gypsum, including selenite and alabaster, are composed of calcium sulfate dihydrate (meaning that it has two molecules of water), with the chemical formula CaSO 4 ·2H 2 O. Selenite contains no selenium, the similar names both derive from Greek selḗnē (σελήνη 'Moon').

  5. Mexico's cave of giant crystals is ethereal as all get out - AOL

    www.aol.com/article/2016/07/14/mexicos-cave-of...

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  6. One of the male specimens collected from the cave had a body length of about 0.2 inches, but its first leg measured significantly longer at more than 1.6 inches, the study said. Female specimens ...

  7. Actun Tunichil Muknal - Wikipedia

    en.wikipedia.org/wiki/Actun_Tunichil_Muknal

    Actun Tunichil Muknal (the Cave of the Crystal Sepulchre), also known locally as ATM, is a cave in Belize, near San Ignacio, Cayo District, notable as a Maya archaeological site that includes skeletons, ceramics, and stoneware. There are several areas with skeletal remains in the main chamber.

  8. Teacher resigns after allegedly calling Muslim middle ...

    www.aol.com/news/teacher-resigns-allegedly...

    A Pennsylvania teacher who came under fire after allegedly calling a Palestinian-American middle schooler a "terrorist" in front of other pupils has resigned, school officials said.

  9. Geode - Wikipedia

    en.wikipedia.org/wiki/Geode

    In 1999, a mineralogist group discovered a cave filled with giant selenite (gypsum) crystals in an abandoned silver mine, Mina Rica, near Pulpi, Province of Almeria, Spain. The cavity, which measured 8.0 by 1.8 by 1.7 metres (26.2 ft × 5.9 ft × 5.6 ft), was, at the time, the largest crystal cave ever found.