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Why do these glass beads have seams?

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Glass Jewelry103 of 203Glass beads! Pink,purple and blue glass costume brooch
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    Posted 8 years ago

    hollywater…
    (2 items)

    I've recently acquired these beautiful pieces; I posted the pics on here and was informed that they are possibly Italian and from the 1940s / 1950s. One person questioned why they had seams if they were glass; being new to jewelry and beads, I went to the internet to try and find out why. All I could find were hand blown round beads being made; and they didn't have a seam; I haven't been able to find anything on YouTube showing round beads made using a mold; were these green glass beads from my pieces likely made using a mold? Again, Thanks in advance for everyone's help!

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    Comments

    1. hollywatertower, 8 years ago
      I just found this reference on eBay. It talks about vintage beads having seams.

      http://www.ebay.com/gds/Vintage-Glass-Beads-Buying-Guide-/10000000177318657/g.html

      Looking at the Bead

      Examine the bead closely in daylight or in a strong light, using a magnifying glass if possible. There are a few signs that the bead is glass and vintage.

      Seams and Imperfections

      Seams are an indication that the bead is vintage. Some beads were crafted using a glass press, which inevitably left a seam. In other cases, there may be slight imperfections as a result of being handmade, as they often were in Venice and Czechoslovakia. As buyers become more experienced, they hone their ability to identify irregularities that point to a bead's authenticity.

      Signs of Aging Glass

      Glass tends to change as it ages. Luster may diminish, and the colour in vintage glass beads alters slightly as the chemicals that give the glass its particular hue react with air. For example, a translucent red bead may darken a bit. This is a very subtle difference that an expert may notice, but the untrained eye could quite easily miss.
    2. hollywatertower, 8 years ago
      Now that I know what they're called, I actually found some glass presses for sale.
      http://www.corinabeads.com/pages/pressespage.php
    3. racer4four racer4four, 8 years ago
      Interesting post!
    4. antiquerose antiquerose, 8 years ago
      Love it ~
      Kinda a Limey-Avocado Green color!! Reminds me of the 1970's...LOL

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