But there’s a catch with this crystal. While bismuth occurs naturally in the Earth’s crust, the striking crystals that capture the imagination of collectors and artists are usually produced ...

Many minerals form beautiful crystals, but the most prized of all are gemstones. Uncut gems often look fairly ordinary–like rocks. It's only when they are cut and polished that they obtain the ...

We hardly ever talk about homegrown crystals, though, and that’s a shame once you see how easy it is to make beautiful crystals from scratch. We’ve got to say that we’re impressed by the ...

Deep under the Chihuahuan Desert is a natural wonder, a cave filled with beautiful giant crystals, but which also happens to be a potential death trap.

When the water used to dissolve the Epsom salt evaporates, the salt particles arrange themselves into a repeating pattern to form beautiful crystals.

This experiment demonstrates how crystals form through a process called crystallization. You'll create a supersaturated solution and watch as beautiful crystal structures grow over several days, ...

We hardly ever talk about homegrown crystals, though, and that’s a shame once you see how easy it is to make beautiful crystals from scratch. We’ve got to say that we’re impressed by the ...