In fact, nobody knows for sure the year and not the way this precious material was discovered. The best known story relates that has been on the river Belo, Syria, around 5000 BC After disembarking, Phoenician merchants have prepared a fire and used some material composed of sodium nitrate which, together with the sand of the place more hot fire, produced a curious transparent liquid. After cooling, the liquid hardened and was similar in appearance to a precious stone. Legend or Fact true? Some researchers argue that this story is just a legend, mainly because of the need for very high temperatures for the production of glass - something that a simple fire could not reach. What is known from historical records is that the Egyptians were engaged in production of artistic and decorative objects made of glass already in 1400 a. C. Subsequently, the Romans produced by glass blowing techniques in molds in the year 100 BC, to confeccionarem your windows. But it was around 1300 AD, which was the improvement and expertise in the artistic production of glass in Venice, more precisely on the island of Murano - the place known as the 'cradle' of crystals.
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