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$34.99 – $49.95
Big, high quality, crystal bars are cut up into perfect cubes using diamond cutting blades.
The cubes are placed on a heat resistant conveyer belt that runs through an oven, gradually heating them up to a temperature of 1600 °C (3000 °F). This makes the cubes soft and slightly mouldable.
One by one the heated cubes are pressed to their round shape using a big hydraulic mould press.
To avoid imperfections and bubbles, the crystal balls are very gradually brought down to room temperature (20 °C (70 °F)).
Multiple polishing steps create a flawless surface. At the end of these steps the balls are perfectly round, but still have a matte white finish.
Two disks with a fine polishing surface spin at high speed with the crystal balls in-between. After 40 minutes in this machine, they are completely transparent.
Every ball is extensively inspected for imperfections. Only one out of four pass this test, the others get recycled and start again at step one.
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