African Trade Beads Green Kancamba - Uranium Glass

These are Kancamba (Kokomba) Molded Trade Beads from Africa. They are a solid green color and some have splashes of white. The beads are molded glass rondelles made in Europe and traded to Africa. These greed trade beads were made of uranium glass, more commonly known as Vaseline glass, its popularity can be traced to the 1830s.

Vaseline glass typically has a yellow-green hue in daylight and radiates a bright, bold fluorescent green under a black light. The glowing properties are from the uranium oxides and additional fluorescing colorants such as manganese and iron infused into the glass at the molten stage. 

• Sold in packages of 12 beads
• Sizes: 6 or 7mm
  
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