Almost all volcanic rocks come from the Earth's upper mantle (or lava). Volcanism, on the other hand, can have many different chemical and physical effects and can sometimes bring rare things to the ...

Making jewelry your own jewelry is a fun, creative hobby, but it can be hard to know where to begin. A jewelry-making kit can be a good investment for beginning and experienced crafters alike, and the ...

There are various ways to create artificial diamonds, but a new method developed by researchers, including those at the University of Tokyo, yields some extra benefits. By specially preparing samples ...