Mining stocks can be incredibly volatile. When you get it right you can make a lot of money. But it's also very easy to get it wrong. So if you're going to get involved you probably need some help. I'd urge you to have a diverse portfolio of at least 10 stocks - preferably more. Here are links to two well known mining stocks. As you can see, investors had a rocky ride but made very good money - if they timed it right.
Like all investments - it's all about the timing.
If you speak to a millennial they think that real estate is a one way bet. You'll probably have a very different conversation if you discuss property with anyone who bought in 1989.