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:
Lustre: Vitreous
Hardness: 5.5 - 6
Cleavage: Indistinct
Fracture: Conchoidal
Streak: White
Rxn w/ Acid: Very weak
Magnetism: None
Specific Gravity: 2.5 - 2.7

Hint: Resembles quartz but instead is softer.

  

Bornite
Talc
Dolomite
Kyanite
Staurolite
Marcasite
Fluorite
Augite
Nepheline
Garnet
Alabaster
Corundum
Copper
Quartz (smoky)
Aragonite
Molybdenite
 
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