DIAMONDS PUT TO GOOD USE

THE diamonds that do not make the grade as gems for jewellery become industrial diamonds.

THE diamonds that do not make the grade as gems for jewellery become industrial diamonds.

The large ones are used in tools and drilling bits to cut rock and small stone.

Small diamonds, which are also known as dust or grit, are used for cutting and polishing stone and ceramic products. -

scienceviews.com; wikipedia.org

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