Mineral 1.0Test your knowledge of specific minerals

Material: All | Carbonates | Halides | Hydroxides | Native elements | Oxides | Phosphates | Silicates | Sulfates | Sulfides
Difficulty: Normal | Hard
  

Identify the following mineral by clicking on the buttons below to reveal its properties one by one. For a harder/more specific test, choose from the test material above.

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Known/experimental properties:
Habit: Prismatic crystals
Lustre: Glassy
Hardness: 8
Cleavage: Perfect
Fracture: Subconchoidal
Streak: White
Rxn w/ Acid: None
Magnetism: None
Specific Gravity: 3.5

Hint: Resembles quartz, but harder.

  

Aragonite
Barite
Quartz (smoky)
Garnet
Pyrolusite
Chrysotile
Bornite
Magnetite
Malachite
Plagioclase
Augite
Apatite
Tourmaline
Topaz
Fluorite
 
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Minerals by class: Carbonates | Halides | Hydroxides | Native elements | Oxides | Phosphates | Silicates | Sulfates | Sulfides
  

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