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  1. Wikipedia
    https://en.wikipedia.org › wiki › Crystal

    Crystal - Wikipedia

    • A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions. In addition, macroscopic single crystals are usually identifiable by their geometrical shape, consisting of flat faces with specific, characteristi… See more

    Crystal structure (microscopic)

    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 are an exception, … See more

    Crystal faces, shapes and crystallographic forms

    Crystals are commonly recognized, macroscopically, by their shape, consisting of flat faces with sharp angles. These shape characteristics are not necessary for a crystal—a crystal is scientifically defined by its micro… See more

    Crystal | Definition, Types, Structure, & Facts | Britannica
    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 categ…
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    Crystal structure (microscopic)
    Crystal faces, shapes and crystallographic forms
     
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  1. Wikipedia
    https://en.wikipedia.org › wiki › Crystal_structure

    Crystal structure - Wikipedia

     
  2. Wikipedia
    https://en.wikipedia.org › wiki › Cryst…

    Crystal system - Wikipedia

    A crystal system is a set of point groups that describe the symmetries of crystalline materials. Learn about the seven crystal systems, their lattice systems, crystal families, and crystal classes with examples and diagrams.

  3. Wikipedia
    https://en.wikipedia.org › wiki › Crystal_…

    Crystal healing - Wikipedia

    Crystal healing is a pseudoscientific alternative-medicine practice that uses semiprecious stones and crystals such as quartz, agate, amethyst or opal. Adherents of the practice claim that these have healing powers, but there is …

  4. Wikipedia
    https://simple.wikipedia.org › wiki › Crystal

    Crystal - Simple English Wikipedia, the free encyclopedia

  6. Britannica
    https://www.britannica.com › science › c…

    Crystal | Definition, Types, Structure, & Facts

    6 days ago · 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 categories, such as insulators, …

  7. Wikipedia
    https://en.wikipedia.org › wiki › Quartz

    Quartz - Wikipedia

    Quartz is a hard, crystalline mineral composed of silica (silicon dioxide).The atoms are linked in a continuous framework of SiO 4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall …

  8. People also ask
    What is the scientific definition of a crystal?
    For gemologists, 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. These patterns are called crystal systems. If a mineral has its atoms arranged in one of them, then that mineral is a crystal. "Crystal 1," photo by Brenda Clarke.

    What is a Crystal? - International Gem Society - IGS

    gemsociety.org
    What is a crystal based on?
    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 are an exception, see below). Not all solids are crystals.

    Crystal - Wikipedia

    en.wikipedia.org
    What is a crystalline structure?
    In crystallography, crystal structure is a description of ordered arrangement of atoms, ions, or molecules in a crystalline material. Ordered structures occur from intrinsic nature of constituent particles to form symmetric patterns that repeat along the principal directions of three-dimensional space in matter.

    Crystal structure - Wikipedia

    en.wikipedia.org
    What is a crystal system?
    A crystal system is a set of point groups in which the point groups themselves and their corresponding space groups are assigned to a lattice system. Of the 32 crystallographic point groups that exist in three dimensions, most are assigned to only one lattice system, in which case both the crystal and lattice systems have the same name.

    Crystal system - Wikipedia

    en.wikipedia.org
    What is the crystal Encyclopedia?
    The Stone of Balanced Emotions The Gem of Spiritual Awakening The Gem of Wealth and Attraction The Crystal Encyclopedia is the definitive guide to crystals, stones, and minerals. Find everything you've ever wanted to know about crystals!

    Crystal Encyclopedia Index - Crystal Vaults

    crystalvaults.com
    What is a crystal structure?
    A crystal structure (an arrangement of atoms in a crystal) is characterized by its unit cell, a small imaginary box containing one or more atoms in a specific spatial arrangement. The unit cells are stacked in three-dimensional space to form the crystal.

    Crystal - Wikipedia

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  9. Wikipedia
    https://simple.wikipedia.org › wiki › Time_crystals

    Time crystals - Simple English Wikipedia, the free encyclopedia

  10. Britannica
    https://www.britannica.com › science › c…

    Crystal - Structure, Lattice, Symmetry | Britannica

    6 days ago · Crystal - Structure, Lattice, Symmetry: Crystals can be grown under moderate conditions from all 92 naturally occurring elements except helium, and helium can be crystallized at low temperatures by using 25 atmospheres of …

  11. wikimedia.org
    https://commons.wikimedia.org › wiki › Crystal

    Crystal - Wikimedia Commons

  12. International Gem Society
    https://www.gemsociety.org › article …

    What is a Crystal? - International Gem Society - IGS

    Learn the scientific definition of crystal used by gemologists and the different types of crystal systems and structures. Find out how crystals form naturally or artificially and see examples of gemstones and minerals that are crystals.

  13. wikimedia.org
    https://commons.wikimedia.org › wiki › Category:Crystals

    Category : Crystals - Wikimedia

  14. Britannica
    https://www.britannica.com › summary › crystal

    Structure and classification of crystals | Britannica

  15. Crystal Vaults
    https://www.crystalvaults.com › crystal-guide

    Crystal Encyclopedia Index - Crystal Vaults

  16. Wikiwand
    https://www.wikiwand.com › en › articles › Crystal

    Crystal - Wikiwand

  17. wikipedia.org
    https://ro.wikipedia.org › wiki › Cristal

    Cristal - Wikipedia

  18. Wiktionary
    https://en.wiktionary.org › wiki › Crystal

    Crystal - Wiktionary, the free dictionary

  19. The Crystal Council
    https://thecrystalcouncil.com › crystals

    All Crystals - The Crystal Council

  20. wikipedia.org
    https://ha.wikipedia.org › wiki › Crystal

    Crystal - Wikipedia

  21. Wikipédia
    https://pt.wikipedia.org › wiki › Cristal

    Cristal – Wikipédia, a enciclopédia livre

  22. fandom.com
    https://geology.fandom.com › wiki › Crystal

    Crystal | Geology Wiki | Fandom