|Written by Administrator|
|Tuesday, 18 September 2007|
diamond paper. A sheet of paper folded to form a pocket in which Diamonds or other gems are contained. Usually, a durable paper stock is used. One or more sheets of similarly folded paper may be used to line and strengthen the outer paper. Weight, lot number, and coded or uncoded prices usually are marked on the flap of the paper.
diamond-paper weight. A collapsible frame, consisting of four hinged pieces of thin metal, used to hold diamond papers open while examining stones.
diamond paste. A paste made of diamond powder and other suitable substances for use in grinding and polishing purposes. A modern, high-grade diamond paste consists of a wetting and dispersing agent, a carrier for maintaining a relatively permanent and uniform suspension of the diamond particles, a plasticizer for attaining a desirable consistency of the carrier, and a dye or other coloring agent to distinguish between different diamond grades.
diamond pencil. A cutting tool tipped with diamond used for cutting or marking.
diamond pipe. A cylindrical to irregular shaped, more or less vertical, diamond-bearing kimberlite intrusion; an eruptive channel of a volcanic breccia containing kimberlite. They usually decrease in area with increasing depth and contain sufficient diamonds to be minable. See
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