Ключевые слова: achromatic, adamant, arm, bright, brilliant, circle, clear, colorless, colorless gemstones, colourless, consider, crystal, crystalline, cut stones, diamond, disc, disk, examine, fianit, fingers, forceps, glassy, gloves, hold, imitation, insipid, jeweler, jewelry stones, keep, lens, loupe, magnifier, magnifying glass, minikin, pincers, postiche, range, regard, rock, round, stones, transparent, tweezers, view, without color, zircon,