Note: Many crystal products in our daily life are man-made crystals. What is the difference between man-made crystals and ordinary glass? Simply put, man-made crystals are a type of glass.
Many crystal products in our daily life are man-made crystals. What is the difference between man-made crystals and ordinary glass?
Simply put, man-made crystals are a type of glass. Artificial crystal is high-lead glass, or lead crystal glass, that is, adding 24% lead oxide to ordinary glass (the composition is silicon dioxide), and you will get an artificial crystal with brightness and transparency similar to natural crystal.
Artificial crystal color is very transparent. Facing the sun, it is basically pure and bright, generally without any blemishes. Another feature that distinguishes natural crystals from artificial crystals is the luster of crystals. The surface of natural crystal jewelry presents a greasy luster, but the surface of artificial crystal ornaments presents a glass luster.
Most of the colored crystal necklaces we usually see are man-made crystals. There are fewer real natural colored crystals, and even fewer are used to make ornaments, so the price is much higher than that of man-made crystals.
How to distinguish ordinary glass from artificial crystal?
Artificial crystal is glass containing lead oxide. The higher the content of lead oxide, the higher the refractive index and hardness, and the purer and crystal clear the finished product will be. The more difficult it is to cut, the rarer the finished product will be. Therefore, the value of high-quality crystal utensils is very different from that of ordinary glass or low-refractive crystals.
When you flick the utensils with your hands, the sound of artificial crystal products is clear and crisp, and there will be a lingering sound after the impact like metal. There is a metallic "clang" sound, and the harder the crystal, the louder the sound. The sound of ordinary glass products is dull and echoless, which is a dull "pop" sound.
Look at the luster Compared with sunlight, the colorful light refracted by high-quality crystals is bright, and the transition light is very natural and rich; the refracted color of ordinary glass is often incomplete and dim. Compared with its transparency under natural light, high-quality crystal has high transparency and shows crystal white, while ordinary glass or impure crystal will turn yellow or mixed with cyan.
The finer crystal pattern, the higher the degree of handwork, the more detailed and complicated the pattern is formed on a small area, the higher the value. If you touch it with your hands, the surface of the hand-made pattern has a rough feeling, while the surface of the machine-made pattern is smooth.
The hardness of man-made crystal is much higher than that of ordinary glass, and it will not become dirty after long-term use, while glass is prone to scratches and surface stains after repeated use for a long time. Artificial crystal is harder than glass. Therefore, when scratching the surface of glass with artificial crystal, a trace will be left, but there will be no such trace when scratching crystal with glass.
Man-made crystal products are heavier than ordinary glass, which is relatively lighter.
Most of the domestic artificial crystal products are made of K9 material or lead-containing material. The crystal products are finely crafted, light and elegant. China is also the main producer of man-made crystals in the world.
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