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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.
The Treasuries at Olympia were a series of small temple-shaped buildings located to the north side of the Altis or sanctuary at the site of Olympia in Greece. All but two were erected by Greek colonies to store valuable votive offerings. The Treasuries were built on a natural terrace at the foot of the Hill of Cronus. The best preserved and ...
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 ancient writer and traveler Pausanias was “emphatic that the Athenian Treasury was built [meaning financed] from the spoils from the landing of the Persian general Datis at Marathon”. This means that a date later than 490 BCE, after the Battle of Marathon and accounting for time of construction would be acceptable to Pausanias.
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 ...
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 ...
The Numismatic Museum of Athens (Greek: Νομισματικό Μουσείο Αθηνών) is one of the most important museums in Greece and it houses a collection of over 500,000 coins, medals, gems, weights, stamps and related artefacts from 1400BC to modern times. [1]
Wappenmünzen didrachm featuring the Gorgoneion design, c. 545-525 BCE. Wappenmünzen (German: Wappenmünzen, lit. 'Heraldic coins', singular Wappenmünze, pronounced [ˈvapənˌmʏntsə]) are the earliest attested form of Athenian coinage, minted in Ancient Athens under the Peisistratids during the late 6th century BCE.