Photometric sorting has been used in the diamond mines since the 1970's. Viewed it personally at the Premier Diamond mine myself in 1980.... and I got to see the diamonds in the catching house (which not many people get to see). All the diamond mines use either photometric or x-ray sorting now.
Photometric sorting has been used in the diamond mines since the...
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Last
36.0¢ |
Change
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Mkt cap ! $109.4M | |||
| Open | High | Low | Value | Volume |
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| No. | Vol. | Price($) |
|---|---|---|
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| Price($) | Vol. | No. |
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