Scientifically speaking, the term “crystal” refers to any solid that has an ordered chemical structure. This means that its parts are arranged in a precisely ordered pattern, like bricks in a wall.

Kidney stones are solid deposits of minerals that can form in the kidneys, also known as renal calculi. They can be made up of various types of crystals, with the most abundant crystal determining the ...

Researchers have uncovered a previously unknown property of colloidal crystals, highly ordered three-dimensional arrays of nanoparticles. Northwestern University researchers have uncovered a ...

It is the age of the crystal. They're being worn as jewellery. They're being dropped into water bottles. They're amazing Instagram bait. And for a growing number of people, the beautiful rocks are an ...