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: Fine grained aggregates
Lustre: Vitreous
Hardness: 3 - 3.5
Cleavage: Perfect
Fracture: Uneven
Streak: White
Rxn w/ Acid: None
Magnetism: None
Specific Gravity: 4.5

Hint: High specific gravity is best indicator, colour and fracture are also helpful.

  

Stibnite
Apatite
Alabaster
Hematite (massive)
Chromite
Barite
Kyanite
Quartz (smoky)
Fluorite
Calcite (sparry)
Copper
Malachite
Chalcedony
Chalcopyrite
Hematite (specular)
Corundum
Tremolite
 
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