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What is the difference between crystal ashtray and ordinary ashtray?

Update:05-03-2021
Summary:

Glass and water crystals differ greatly in the material […]

Glass and water crystals differ greatly in the material composition du
Artificial crystals are glass containing oxidized lead. The higher the content of oxidized lead, the higher the refractive index and hardness, the purer and crystallized the finished product. At the same time, the more difficult it is to cut, the rarer the finished productsmall natural quartz stone crystal ashtrays.
Compared with sunlight, the colorful light refracted by crystal is bright in color, the transition light is very natural and rich, and the color of glass refraction is often incomplete and dim. So the difference is still very obvious.

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