The scientific definition of a "crystal" is based on the microscopic arrangement of atoms inside it, called the crystal structure. A crystal is a solid where the atoms form a periodic arrangement. (Quasicrystals …

Nov 7, 2025 · Crystal, any solid material in which the component atoms are arranged in a definite pattern and whose surface regularity reflects its internal symmetry. Crystals are classified in general …

Read in-depth descriptions, planets, zodiacs, healing properties and more with each crystal. Detailed crystal properties.

Mar 28, 2020 · A crystal is a solid material in which atoms, ions, or molecules are arranged in a highly ordered and repeating three-dimensional pattern, known as a crystal lattice.

Check out our extensive guide to crystal meanings & stone properties with beautiful pictures. Find the right crystal or stone for you by learning their healing powers.

The meaning of CRYSTAL is quartz that is transparent or nearly so and that is either colorless or only slightly tinged.

Below you will find an ever-growing list of crystals. Each crystal type links to an encyclopedia page with everything you would ever want to know about that crystal. This includes its history, healing …

Dec 19, 2024 · For gemologists and mineralogists, the scientific definition of a crystal goes right to the atomic level. A crystal is a solid whose atoms are arranged in a "highly ordered" repeating pattern.

Nov 7, 2025 · The most interesting crystal structures are those of elements that are neither metallic, covalent, nor diatomic. Although boron (B) and sulfur (S) have several different crystal structures, …

5 hours ago · Both Billy Crystal and Larry David were at the home of Rob Reiner shortly after reports of his death. Reiner and his wife, Michele Singer Reiner, were found dead in their Los Angeles home on ...