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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://simple.wikipedia.org › wiki › Crystal

    Crystal - Simple English Wikipedia, the free encyclopedia

     
  2. 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 …

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

    Crystal system - Wikipedia

    In crystallography, a crystal system is a set of point groups (a group of geometric symmetries with at least one fixed point). A lattice system is a set of Bravais lattices. Space groups are classified into crystal systems

  4. Wikipedia
    https://en.wikipedia.org › wiki › Crystal_structure

    Crystal structure - Wikipedia

  5. Britannica
    https://www.britannica.com › science › cry…

    Crystal | Definition, Types, Structure, & Facts | Britannica

    Jan 4, 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 categories, such as insulators, …

  6. People also ask
    What is the scientific definition of a crystal?
    For gemologists and mineralogists, 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.

    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 the structure of a crystal?
    Image via Wiki Commons. At its core, a crystal is a solid material whose constituents, such as atoms, molecules, or ions, are arranged in a highly ordered microscopic structure. This arrangement forms a lattice that extends in all directions, giving crystals their characteristic shapes.

    What are crystals? What the science says

    zmescience.com
    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 in geology?
    In geology, crystals are the building blocks of many rocks and minerals that make up our planet. They are arrangements of atoms or molecules in an orderly and repeated pattern. Essentially, a crystal is an orderly repetition of the same atoms. Now the next question is: why do crystals arrange themselves in these strikingly ordered patterns?

    What are crystals? What the science says

    zmescience.com
    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

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  7. Wikipedia
    https://en.wikipedia.org › wiki › Crystallogr…

    Crystallography - Wikipedia

    The first crystal structure of a macromolecule was solved in 1958, a three-dimensional model of the myoglobin molecule obtained by X-ray analysis. [15] The Protein Data Bank (PDB) is a freely accessible repository for the …

  8. Wikipedia
    https://en.wikipedia.org › wiki › Liquid_crystal

    Liquid crystal - Wikipedia

    Liquid crystal (LC) is a state of matter whose properties are between those of conventional liquids and those of solid crystals.For example, a liquid crystal can flow like a liquid, but its molecules may be oriented in a common direction as …

  9. Wikipedia
    https://en.wikipedia.org › wiki › Amethyst

    Amethyst - Wikipedia

    Amethyst is a violet variety of quartz.The name comes from the Koine Greek αμέθυστος amethystos from α - a-, "not" and μεθύσκω (Ancient Greek) methysko / μεθώ metho (Modern Greek), "intoxicate", a reference to the belief that the …

  10. International Gem Society
    https://www.gemsociety.org › article › crystal

    What is a Crystal? - International Gem Society - IGS

    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.

  11. Wikipedia
    https://en.wikipedia.org › wiki › Crystal_he…

    Crystal healing - Wikipedia

    Crystal healing is a pseudoscientific alternative-medicine practice that uses semiprecious stones and crystals such as quartz, agate, amethyst or opal. Despite the common use of the term "crystal", many popular stones used in …

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

    Structure and classification of crystals | Britannica

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

    Crystal - Wikiwand

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

    Category : Crystals - Wikimedia

  15. Science Notes and Projects
    https://sciencenotes.org › what-is-a-crystal

    What Is a Crystal? Definition and Examples - Science Notes and …

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

    Crystal Encyclopedia Index - Crystal Vaults

  17. ZME Science
    https://www.zmescience.com › ... › what-are-crystals

    What are crystals? What the science says

  18. Wikipedia
    https://en.wikipedia.org › wiki › Crystal_Lee

    Crystal Lee - Wikipedia

  19. wikipedia.org
    https://ro.wikipedia.org › wiki › CristalTranslate this result

    Cristal - Wikipedia

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

    All Crystals - The Crystal Council

  21. ウィキペディア
    https://ja.wikipedia.org › wiki › THE_IDOLM@STER...Translate this result

    THE IDOLM@STER CINDERELLA GIRLS STARLIGHT …

  22. fandom.com
    https://roblox-exiled.fandom.com › wiki › Hardened_Crystal

    Hardened Crystal | (ROBLOX) EXILED Wiki - Fandom