Mineral 1.0Test your knowledge of specific minerals

Material: All | Silicates | Halides | Carbonates | Sulfates | Oxides | Phosphates | Hydroxides | Native elements | 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:
Lustre: Vitreous to somewhat pearly, waxy, dull
Hardness: 2 - 2.5
Cleavage: Perfect {001}
Fracture:
Streak: Greenish white to white
Rxn w/ Acid: None
Magnetism: None
Specific Gravity: 2.6 - 3.3

Hint: Colour and its low hardness are distinguishing characteristics.

  

Actinolite
Sphalerite
Quartz (massive)
Talc
Limonite
Calcite (massive)
Zircon
Orthoclase
Marcasite
Alabaster
Tremolite
Pyrite (massive)
Pyrolusite
Chlorite
Quartz (crystal)
Epidote
Corundum
 
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Minerals by class: Silicates | Halides | Carbonates | Sulfates | Oxides | Phosphates | Hydroxides | Native elements | Sulfides
  

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