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 …

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.

Apr 29, 2023 · Crystals are nothing more than an ordered arrangement of molecules or atoms. Crystals come in many different shapes and sizes, and each one has different characteristics. What they are …

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 …

What is a Crystal? A crystal is a solid material whose atoms, molecules, or ions are arranged in an orderly, repeating pattern extending in all three spatial dimensions. This crystal structure gives …

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.

Aug 29, 2025 · A crystal is defined by an ordered, repeating, three-dimensional arrangement of atoms, ions, or molecules. This internal order, known as a crystal lattice, extends throughout the entire solid …

Crystals are solid materials where the atoms are arranged in a repeating pattern that extends in all three spatial dimensions. This special arrangement gives crystals their unique shapes and properties. …

Within a crystal, these atoms and molecules are arranged in very regular repeating patterns on a grid and this enables us to use the technique of crystallography to explore the three dimensional …

What is a Crystal? In scientific terms, a crystal is any solid material with a structured, repeating atomic pattern. This definition encompasses a wide range of substances, from the gemstones used in …