METHOD FOR PREPARING NATURAL PAINTING RAW MATERIAL WITH NO DISCOLORATION USING GEMSTONES OF VARIOUS COLORS

摘要

PURPOSE: A method for preparing a natural painting raw material from gemstone is provided to prepare a natural painting raw material with excellent color maintenance function, which can enduringly preserve work of art. CONSTITUTION: A method for preparing a natural painting raw material comprises the steps of: classifying natural colored gemstones with various sizes and shapes, followed by cutting the gemstones with a diamond saw; pulverizing the gemstones into a sesame seed size; and putting the pulverized gemstones in a high speed mill and then obtaining gemstone powder of 300 mesh.