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Crystal vs Quartzoid - What's the difference?

crystal | quartzoid |

As a proper noun crystal

is .

As a noun quartzoid is

(mineralogy) a form of crystal resembling quartz, having two six-sided pyramids, base to base.

crystal

English

(wikipedia crystal)

Alternative forms

* crystall (obsolete) * chrystal (obsolete)

Noun

  • (countable) A solid composed of an array of atoms or molecules possessing long-range order and arranged in a pattern which is periodic in three dimensions.
  • (countable) A piece of glimmering, shining mineral resembling ice or glass.
  • (uncountable) A fine type of glassware, or the material used to make it.
  • (uncountable, slang) crystal meth: methamphetamine hydrochloride.
  • The glass over the dial of a watch case.

    • Synonyms

    * (array of atoms) grain

    Antonyms

    * (array of atoms) amorphous, glass

    Derived terms

    * anticrystal * crystalliferous * crystalline * crystallite * crystallization, crystallisation * crystallize, crystallise * crystallographer * crystalloid * crystal stone * quasicrystal

    Related terms

    * blood crystal * clear as crystal * compound crystal * crystal ball * crystal clear * Iceland crystal * liquid crystal * mountain crystal * rock crystal

    Adjective

    (-)
  • Very clear.
    • "Do I make myself clear?" / "Crystal ."

    References

    *

    quartzoid

    English

    Noun

    (en noun)
  • (mineralogy) A form of crystal resembling quartz, having two six-sided pyramids, base to base.