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. …

Sep 9, 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 …

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.

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.

The meaning of CRYSTAL is quartz that is transparent or nearly so and that is either colorless or only slightly tinged. How to use crystal in a sentence.

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. …

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.

CRYSTAL definition: 1. transparent glass of very high quality, usually with its surface cut into delicate patterns: 2…. Learn more.

Sep 13, 2019 · Crystals have an ordered structure formed by repeating units of atoms, molecules, or ions. Common crystals you might see include table salt, sugar, snowflakes, and many types …

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