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Calcite crystals are sometimes Utilized in optical machines, and in some cases the graphite in pencil lead are sheets of crystals that essentially break aside layer by layer to put in writing. Silica can variety silicate crystals which might be The idea for quartz, mica, olivine, and a number of other crystals and minerals.③、粗抛光：是将�

With this paper, The brand new lapping slurry and polishing slurry are introduced. And also the deliquescence diploma of CLBO is fallen to least expensive. A completely new Functioning engineering can also be adopted. After tough sprucing, the focus of ultra-precision sharpening slurry is improved properly. So does the extremely-precision polishing