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Terminology MICRON SIZES Those sizes of diamond powder usually prepared by methods of separation other than sieving, mainly Stokesian, and usually smaller than sieve sizes. PARTICLE SIZE The particle size is equal to the diameter of a circle having the same area as the profile of the particle when viewed with a microscope. FINES or UNDERSIZE PARTICLES Fines (undersize particles) are particles smaller than the minimum for any specified size. SLIVERS A silver is a particle of needle or rodlike shape such that the ratio of the major to the minor axes is greater than 3 to 1. SHALES A shale is a particle of thin platelike shape, which when viewed through a microscope using transmitted light, appears to be transparent. |