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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.
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 ...
As a result, the rooms are decorated with mosaics and murals depicting either themes from the Trojan War or Greek mottos. [4] In 1927, Schliemann's widow, Sophia, sold the building to the Greek state; it was subsequently used as the seat of the Council of State and later the Court of Cassation. [3] View of the interior of the museum
The name sapphire is derived from the Latin word sapphirus, itself from the Greek word sappheiros (σάπφειρος), which referred to lapis lazuli. [2] It is typically blue, but natural "fancy" sapphires also occur in yellow, purple, orange, and green colors; "parti sapphires" show two or more colors.
The tradition goes back to ancient Mesopotamia with books like Abnu šikinšu. Theophrastus (died c. 287 BC) treated rocks and other minerals as well as gems, and remained a significant indirect source for the scientific tradition; he was all but unknown in Europe in the Middle Ages, and not translated into Latin until the 15th century. [8]
The “incredibly rare” lump was unearthed at a 1,700-year-old bathhouse in the United Kingdom. ‘Mysterious’ purple lump found at ancient Roman ruins was once ‘worth more than gold’ Skip ...
However, the Greek and Latin terms smaragdos, smaragdus are broad enough to include other green gemstones, the most valuable of which was the emerald. Emerald is a green variety of beryl and is composed of silicate of alumina and glucina. Structurally, it is a hexagonal crystal with a brilliant reflecting green color.
Now, with the Christmas Day opening of the second film based on Walker's 1982 book, purple takes a seat at the box office after the historic popularity of “Barbie” and all things pink.