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 …

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.

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.

In chemistry and mineralogy, a crystal is defined as a solid in which the constituent atoms, molecules, or ions are packed in a regularly ordered, repeating pattern that extends in all three spatial dimensions. …

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

Aug 29, 2025 · Crystals form through several natural processes, each involving specific conditions that allow atoms or molecules to arrange themselves into an ordered structure.

Definition of crystal noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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 …

A crystal can be described by its smallest repeating portion of atoms, which would allow the whole crystal to form if this was tessellated; this smallest repeat is known as the unit cell. For example, in a …