These bombs can contain olivine, a green crystal also known as peridot, the birthstone for August.

Take, for example, the substance water that forms the crystals known as ice.

In between the two extremes exist polycrystalline, which is made up of a number of smaller crystals known as crystallites, and paracrystalline phases.

The vitriol salts, from the Latin vitreolum, glassy, were so-called because they were some of the first transparent crystals known.

Researchers have developed a new form of light-emitting crystals, known as quantum dots, which can be used to produce ultra-thin televisions.

Plasmaco is one of the American companies working on an alternative to liquid crystals known as plasma display.

In between the two extremes there is polycrystalline silicon, which is made up of small crystals, known as crystallites.

Her undead forces encountered Chaos and his band while searching for the magical crystal known as the Heart of Ymir.

The Vikings took a seemingly magical crystal, known as sunstone, on their voyages.

Langham believed that the crystal, known as an Archimedean solid or a cuboctahedron, held infinite potential for people to bond with the energies in their lives.