I WONDER - What Are Some Different Types Of Crystals?

The video tutorial discusses various types of crystals, including Quartz, diamonds, and salt. It explains the properties and uses of each crystal. Quartz is a common mineral found in rocks and used in jewelry and watches. Diamonds are the hardest known mineral, often used in engagement rings and other jewelry. Salt is a crystal composed of Sodium and Chlorine, used as a seasoning and preservative.

What is the significance of diamonds to humanity as mentioned in the text?

What elements make up salt, and what are its uses?