Although it's commonly known as a dark gray rock, slate can be found in green, purple, red, and other earthy shades, leaving ...

They are called impermeable rocks. Slate also splits easily into thin sheets. This makes it ideal for making roof tiles. Go on a rock hunt around your local area - how many can you spot?

Natural stone floors can bring a touch of luxury to your space, but they also have plenty of cons. Here's what to consider ...