The growth of ironworking in Greece began during the 11th century BC. Iron was not unknown in previous periods but was considered a luxury item and was used exclusively in the manufacture of ornaments and jewellery, whereas the need for weapons and tools was covered by the use of bronze. The utilization of iron as a precious metal was not, of course, a result of its natural qualities or the shortage of reserves, but the fact that the technique of its working, which included special knowledge beyond the scope of the bronzesmiths, had been preserved as a carefully kept secret by certain blacksmiths of the Hittite empire.
In the Aegean, the knowledge of ironworking had been imported from the East, with Cyprus being an intermediary station, after the collapse of the Hittite empire at the beginning of the 12th century BC. The conclusions of recent archaeological research in Cyprus show that during the 12th and 11th centuries BC there were considerable developments in iron metallurgy on the island. Around the middle of the 11th century BC, Cyprus had been the first place in the Mediterranean where iron prevailed over bronze as a metal in the manufacture of weapons and tools. These changes required the development of a complex technology and also the need to ensure a regular supply of the metal. Cyprus had abundant copper sources and some of its ores were rich in iron. It is likely that through the working of the by-products of copper, the iron industry started in Cyprus. If this conjecture is correct, then it explains why, in Cyprus, the transition from the Bronze Age to the Iron Age was relatively smooth.
The transference of the technique, as well as the capacity to recognize iron reserves in Greece took place at the end of the early Dark Age. Initially it was limited to Crete, the Argolid, Athens and Lefkandi on Euboea -areas where the existence of iron workshops has been testified to during this period. The manufacture of iron objects was gradually extended, and towards the end of the 10th century BC all Greek areas had progressed to the stage of iron metallurgy.
The transition from the use of bronze to that of iron was probably due to the shortage of tin and, to a certain extent, copper, the two raw materials indispensable for the production of bronze. Trade routes, through which tin reached Greece and the Middle East from remote sources, had been interrupted after the disturbances which had prevailed in the eastern Mediterranean from the beginning of the 12th century BC. Iron ores, on the contrary, were in abundance in Greece and several parts of the Middle East. Since the technology already existed, it is reasonable to assume that iron must have been used as soon as the need arose. This conjecture could explain the speed with which ironworking spread, under the pressure of circumstances. Finally, iron replaced bronze in many uses, especially in the manufacture of farming tools and weapons. The lower cost of iron tools resulted in more people having access to this new material.

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