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Hellenistic glass was glass produced during the Hellenistic period, from the conquests of Alexander the Great (356-323 BC) to the expansion of the Roman Empire (second half of the 1st century BC - 476) in the Mediterranean, Europe, western Asia and northern Africa. Glassmaking at this time was based on the technological traditions of the Classical antiquity and the Late Bronze Age,〔Harden 1969; Grose 1981; Grose 1989〕 but was marked by transition from limited production of luxury objects made for the social elite to mass production of affordable glass vessels used by the broader public to satisfy everyday needs.〔Goldstein 1979; Grose 1984〕 After the introduction of translucent and transparent glass, attempts were made to mimic precious and semi-precious stones, as well as rock crystal.〔Goldstein 1979〕 ==History== Core-formed glass vessels produced in the Mediterranean from 525 to 50 BC were the most numerous and widespread.〔Tatton-Brown and Andrews 2004〕 Core-formed vessels were generally small in size, opaque and designed to store perfumes, scented oils and cosmetics.〔Tatton-Brown and Andrews 2004〕 The most common shapes were alabastra, amphoriskoi, aryballoi and lentoid aryballoi, oinochoai (jugs), and for the first time in the Hellenistic period hudriskai (three-handled flasks) and unguentaria (unguent bottles).〔Fossing 1940〕 During the second half of the 3rd century BC, mosaic glass, also known as 'millefiori', literally, a thousand flowers, emerged. The group consists mostly of fused and slumped broad plates and shallow dishes with upright or out-splayed rims or hemispherical bowls. Sub-groups of mosaic glass production are 'network' or 'lacework' hemispherical bowls and vessels with meandering or spiral decorative patterns that imitate onyx. Often these bowls had a rim formed of a single ‘network’ cane of spirally twisted threads which gives a 'striped' effect.〔Tatton-Brown and Andrews 2004〕 It is best represented in burial contexts from several large tombs in Canosa di Puglia (ancient Canusium) in Italy.〔Grose 1989〕 They are open vessels since they are made with a mould but still opaque, like the widely produced core-formed vessels. The origins of the mosaic glassworking technique are traced back in the 15th century BC in the Mesopotamian glassmaking centres, such as Tell-al-Rimah, ΄Aqar Qūf and Marlik. Although the mosaic technique at the time was practiced in a desultory way, it is the predecessor of the elaborated mosaic vessels of high quality of the Alexandrian workshops, after the foundation of the city of Alexandria in Egypt in 332 BC by Alexander the Great, which is said to be the main production centre of these vessels.〔Harden 1969; Goldstein 1979〕 By the early 2nd century BC, monochrome drinking vessels, mainly hemispherical and sub-conical bowls were introduced. They were made in considerable quantities in the Syro-Palestinian coast and were widely traded and exported to several trading centres throughout the Mediterranean. Earlier examples were made of clear greenish, brownish or almost colourless glass, while later on they often had green, amber, blue or wine-purple colour. Usually, they were decorated with linear-cut concentric circles at the bottom or right under the rim either on the inside or the outside (Tatton-Brown and Andrews 2004). They were made in an open mould, which is in fact a relatively cheap technique that requires less effort put and it was this that allowed their large-scale production. Within the production of these drinking vessels, from the mid-2nd century BC onwards, translucent or transparent glass tableware (plates, dishes, bowls, drinking vessels, such as skyphoi, footed bowls or handled cups) was introduced; glass tableware production once established enjoyed several glassworking centres and contributed in the dramatic increase of the Hellenistic glass industry.〔Grose 1981; Grose 1984; Tatton-Brown and Andrews 2004〕 This was the first time that glass vessels were widely consumed by the broader public as a widespread commodity, something that continued ever since and was achieved in a higher degree with the invention of the even more economical glassblowing technique. During the 1st century BC, new types of monochrome glass vessels were introduced and ribbed bowls started to be produced. They were mould-press bowls with ribs on the outside and their production centres were concentrated in the Levant and the Syro-Palestinian coast, like the monochrome hemispherical/conical bowls. However, the production of luxury glass vessels did not cease and glass vessels imitating precious metal vessels (gold- and silver-ware) were produced with new glassworking techniques to satisfy the needs of the elite social strata market. Gold sandwich glass vessels and gold-band alabastra were innovations of the late Hellenistic period addressed to a more limited range of wealthy customers. The manufacturing techniques were the same, namely the mould-press and core-form mosaic techniques respectively.〔Harden 1969; Grose 1989〕 However, they were developed further more in order to achieve a quite elaborate decorative aspect. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hellenistic glass」の詳細全文を読む スポンサード リンク
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