Mineral 1.0Test your knowledge of specific minerals

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Minerals by class: Carbonates | Halides | Hydroxides | Native elements | Oxides | Phosphates | Silicates | Sulfates | Sulfides
Silicate Subclasses: Amphiboles | Cyclosilicates | Frameworks | Nesosilicates | Phyllosilicates | Pyroxenes | Sorosilicates
  

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  SilicateQuartz (crystal)
SiO2

Most distinguishing features:
Hardness, translucency and colour are indicators.

  SilicateQuartz (massive)
SiO2

Most distinguishing features:
Hardness and fracture.

  SilicateQuartz (smoky)
SiO2

Most distinguishing features:
Hardness, colour and translucency are indicative.