How to identify the crystal glasses and wine glasses?

1. On hand will be different, the hand touch feeling than when you touch some of the glass cooler crystal.
2. There are also differences on the hardness, crystal hardness of 7, the hardness of the glass is 5, so you can draw with crystal glass to identify. green wine glasses
3. From the refractive index to distinguish. In the sun, put a crystal cup raised to the light, spinning slowly, you will find crystal clear cup, can refract light. But no ordinary glassware gloss, not to mention the refractive index.Oversized Wine Glasses
4. From the sound. With a flick of your finger cup, crystal glassware sound emitted belong crisp metallic sound. Ordinary glassware sound more boring.Bar Shot Glasses Wholesale