1. Sound
When you tap lightly or flick with your fingers, crystal glass can make a crisp metallic sound, and it ripples beautifully in the air.
the sound of ordinary glass is rather dull.
2. Glossy
Crystal glass is white, crystal clear and reflects charming colorful light.
there will be a big gap between ordinary glass and the above aspects. What's more, there are a lot of bubbles in some ordinary glassware, which will also appear dirty and dark in color.
crystal glass:
ordinary glass:
3. Feel
The weight of crystal glass with the same volume is different from that of ordinary glass, and high-grade crystal glass will make you feel calm and heavy.
ordinary glass is very light.
Baidu Encyclopedia-Crystal Glass
Baidu Encyclopedia-Glass