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  2. Asterism (gemology) - Wikipedia

    en.wikipedia.org/wiki/Asterism_(gemology)

    Asterism on the surface of a blue star sapphire. A purple-pink star sapphire displaying asterism in a platinum ring.. An asterism (from Ancient Greek ἀστήρ (astḗr) 'star' and -ism) is a star-shaped concentration of light reflected or refracted from a gemstone.

  3. Lapis lazuli - Wikipedia

    en.wikipedia.org/wiki/Lapis_Lazuli

    In late classical times and as late as the Middle Ages, lapis lazuli was often called sapphire (sapphirus in Latin, sappir in Hebrew), [28] though it had little to do with the stone today known as the blue corundum variety sapphire. In his book on stones, the Greek scientist Theophrastus described "the sapphirus, which is speckled with gold," a ...

  4. Sapphire - Wikipedia

    en.wikipedia.org/wiki/Sapphire

    Padparadscha sapphires are rare; the rarest of all is the totally natural variety, with no sign of artificial treatment. [12] The name is derived from the Sanskrit padma ranga (padma = lotus; ranga = color), a color akin to the lotus flower (Nelumbo nucifera). [13] Among the fancy (non-blue) sapphires, natural padparadscha fetch the highest prices.

  5. List of mythological objects - Wikipedia

    en.wikipedia.org/wiki/List_of_mythological_objects

    Kykeon, ancient Greek drink of various descriptions used at the climax of the Eleusinian Mysteries. Pneuma, a supernatural substance that is present in all souls and sustains life in all breathing living creatures. Thought of as giving cosmic energy through breath. One main components of the parts of the soul in ancient Greek medicine.

  6. History of Athens - Wikipedia

    en.wikipedia.org/wiki/History_of_Athens

    One of the most important religious sites in ancient Athens was the Temple of Athena, known today as the Parthenon, which stood on top of the Acropolis, where its evocative ruins still stand. Two other major religious sites, the Temple of Hephaestus (which is still largely intact) and the Temple of Olympian Zeus or Olympeion (once the largest ...

  7. Jewellery - Wikipedia

    en.wikipedia.org/wiki/Jewellery

    The most popular form of sapphire is blue sapphire, which is known for its medium to deep blue colour and strong saturation. Fancy sapphires of various colours are also available. In the United States, blue sapphire tends to be the most popular and most affordable of the three major precious gemstones (emerald, ruby, and sapphire). Turquoise

  8. The color purple: It's a new movie and an old hue that's rich ...

    www.aol.com/news/color-purple-movie-old-hue...

    Ancient Tyrian purple, named for the town of Tyre in what is now southern Lebanon, was also rose, bluish red or velvety black, she writes. Purple was reserved for royalty, priests and nobles at ...

  9. Ancient Greek coinage - Wikipedia

    en.wikipedia.org/wiki/Ancient_Greek_coinage

    The three most important standards of the ancient Greek monetary system were the Attic standard, based on the Athenian drachma of 4.3 grams (2.8 pennyweights) of silver, the Corinthian standard based on the stater of 8.6 g (5.5 dwt) of silver, that was subdivided into three silver drachmas of 2.9 g (1.9 dwt), and the Aeginetan stater or didrachm of 12.2 g (7.8 dwt), based on a drachma of 6.1 g ...