Ask-a-Geologist #22: What are some common household uses of rocks and minerals?

We received a great question from one of our customers about the usefulness of rocks. Teddy wrote:

What are some common household items made of rocks and minerals?

In this video answer, we talk about several types of rocks and minerals and their common uses. There are probably some you know and maybe a few you do not. We talk about one you probably use everyday and one you may even eat. Take a look at the video and see how many of these you know.