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[Kanji] chalcedony T-shirt It is a dense aggregate of spheres, radials, breasts, etc., in which fine crystals of quartz are gathered in a radial pattern. Fat luster, transparent or translucent, with milky white, white, gray, pale blue, black, brown and other colors. Colloidal silicic acid is often crystallized at a relatively low concentration, and … Read More

It is a dense aggregate of spheres, radials, breasts, etc., in which fine crystals of quartz are gathered in a radial pattern. Fat luster, transparent or translucent, with milky white, white, gray, pale blue, black, brown and other colors. Colloidal silicic acid is often crystallized at a relatively low concentration, and is often produced … Read More