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With the scaif, it became possible to polish all the facets of the diamond symmetrically at angles that reflected the light best. This invention revolutionized the diamond cutting industry and correspondingly, much increased the popularity of diamonds.
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to hold the diamond. It can be finely adjusted, to move the diamond into the exact position needed for polishing the facets. As the facets are polished more diamond dust is produced, replenishing the supply.
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The scaif consists of a hard disk, parallel to the floor. The disk looks like and is rotated in the same way as a
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infused with a mixture of olive oil and diamond dust used in the
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145:industry. It was invented in 1456 by
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189:by Jeffrey Blancq. April 21, 2006
178:The Diamond Invention. Chapter 11
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