Fashion collectors like to collect natural crystals, but often look at a lot of synthetic crystals on the market. In order to be able to buy the natural crystals of good value, we can understand the three different details of synthetic crystal and natural crystal from the color:
First, the amethyst chromophore and color film. In synthetic amethyst, there are often some deep purple pieces with better orientation, which are easily reminiscent of the characteristics of irregular swatches in natural amethyst. The biggest difference between the two is that the deep purple chromophores in the synthetic amethyst are arranged in a nearly parallel sheet-like orientation, with little difference in size and shape, and the boundary is obvious. The chromophores of natural amethysts are random irregularities, the shades vary in depth, and the boundaries are gradual. If the dark purple piece in the synthetic amethyst is likened to a floating "purple piece", the purple group in the natural amethyst can be regarded as a floating "purple group".
Two, hexagonal ribbons and parallel ribbons. Another characteristic of natural amethyst is the hexagonal ribbon like sapphire. The colors in synthetic green crystals are often parallel bands and develop in parallel along the crystal wall. There is a synthetic green crystal necklace, yellow and green appear, much like the natural crystal ribbon, plus some brown translucent solid impurities inside, it is easy to mistaken for natural green crystal, but the synthetic crystal is formed along the crystal The nuclear walls are arranged in parallel, and the entire string of crystal ribbons produced is the same, and the color bandwidth of each grain becomes the same as the narrow color, giving an unnatural feeling of excessive â€œstep-by-stepâ€.
Third, the inclusions and cotton and crystal clear. In natural crystals, there are often inclusions and cotton, while synthetic crystals are crystal clear, and some have bubbles or solid impurities. Recently, some synthetic crystals often have some triangular long tubular pores in which there are green or red powders. The long tube is characterized by being arranged in parallel in one direction, the section is triangular, and there are often uneven green or red powders distributed along the wall, the middle is often empty, and the end of the long tube has a tendency to become sharp. The true natural crystal is a crystal containing minerals such as actinolite and rutile, each of which has its crystal form. They are wrapped in crystals, arranged in a non-directional manner, thick and slender, and often accompanied by inclusions and cotton inherent in natural crystal.
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