When a product description says “slate” in the color selection, you assume that color will be a grey-blue, probably on the darker side, and a little more grey than blue. But in nature, slate is variations of grey, blue, green, black, red, brown, and even purple. This is because slate is formed from shales and mudstone that have been compressed and heated during times of geographic upheaval. In other words, it’s got a lot of different kinds of minerals and things in it because it used to be similar to that silty mud you get on the bottom of a lake.
Depending on where that original silt was, there are different things in it. Once it was compressed and heated over untold years, it turned into shale and then slate. Some people call shale slate, and slate, shale. This is because there is not a definite boundary where the shale deposits turn into slate. A slate quarry will definitely have slate, and the color of the stones cut from that quarry will reflect the geographic location. Granville, New York in the US is famous for its hard-to-find red slate, for instance.
When you choose your slate flooring, you should get a little bit more than you think you will need for your project. The idea is that all your tiles will be from the same spot in the quarry so there is a better match and you have extras for future repairs. You should lay out your floor before installation and make sure the natural variations are displayed to your preference. The many colors of slate can be combined from different quarries for a more multicolored effect, too.
The slate tile flooring in Montreal at the Éco Dépôt showrooms is hewn from the earth in quarries from all over the place. Come in to see all the colors of slate, and get an idea of what you can do with this beautiful stone.