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.

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.

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.

: a body that is formed by the solidification of a chemical element, a compound, or a mixture and has a regularly repeating internal arrangement of its atoms and often external plane faces. : the glass or …

The Crystal Encyclopedia is the definitive guide to crystals, stones, and minerals. Find everything you've ever wanted to know about crystals!

Explore the map below to discover and shop crystals from across the globe, each one chosen for its natural beauty, authenticity, and intention. Each crystal tells a story of the earth — curated, …

There are thousands of types of crystals. Below is an alphabetical list of crystals along with pictures and a short description of each crystal type.

Dec 19, 2024 · What is a Crystal? Learn the scientific definition of crystal used by gemologists and answer some basic questions about what is and is not a crystal.