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  2. Luminous gemstones - Wikipedia

    en.wikipedia.org/wiki/Luminous_gemstones

    An early example is the 3rd-century CE Greek Pseudo-Callisthenes Romance of Alexander that says Alexander the Great once speared a fish, "in whose bowels was found a white stone so brilliant that everyone believed it was a lamp. Alexander set it in gold, and used it as a lamp at night" (Laufer 1915: 58).

  3. Quartz - Wikipedia

    en.wikipedia.org/wiki/Quartz

    Quartz crystal demonstrating transparency. Pure quartz, traditionally called rock crystal or clear quartz, is colorless and transparent or translucent and has often been used for hardstone carvings, such as the Lothair Crystal. Common colored varieties include citrine, rose quartz, amethyst, smoky quartz, milky quartz, and others. [33]

  4. al-'Aziz rock crystal ewer - Wikipedia

    en.wikipedia.org/wiki/Al-'Aziz_Rock_Crystal_Ewer

    The al-Aziz rock crystal ewer is a Fatimid ewer vessel dated to c. 11th century Cairo. [1] It currently resides in the Treasury of St Mark's Basilica in Venice, Italy. The al-’Aziz ewer is carved from a single piece of rock crystal, standing at approximately 18 centimeters tall with a circular base 12.5 centimeters in diameter.

  5. Chandelier - Wikipedia

    en.wikipedia.org/wiki/Chandelier

    French chandelier with glass and rock crystals, c.1700. Chandeliers began to be decorated with carved rock crystal (quartz) of Italian origin in the 16th century, a highly expensive material. The rock crystal pieces were hung from a metal frame as pendants or drops.

  6. Triboluminescence - Wikipedia

    en.wikipedia.org/wiki/Triboluminescence

    [1] [2] The Ute constructed unique ceremonial rattles made from buffalo rawhide which they filled with clear quartz crystals collected from the mountains of Colorado and Utah. When the rattles were shaken at night during ceremonies, the friction and mechanical stress of the quartz crystals impacting together produced flashes of light visible ...

  7. Hardstone carving - Wikipedia

    en.wikipedia.org/wiki/Hardstone_carving

    Hardstone carving, in art history and archaeology, is the artistic carving of semi-precious stones (and sometimes gemstones), such as jade, rock crystal (clear quartz), agate, onyx, jasper, serpentinite, or carnelian, and for objects made in this way. [1] [2] Normally the objects are small, and the category overlaps with both jewellery and ...