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: Fine grained aggregates (massive)
Lustre: Vitreous
Hardness: 3
Cleavage: Perfect rhombohedral
Fracture: Subconchoidal
Streak: White
Rxn w/ Acid: Strong
Magnetism: None
Specific Gravity: 2.7

Hint: Recognized by hardness and cleavage. Dolomite and aragonite have higher densities.

  

Corundum
Chlorite
Quartz (massive)
Talc
Hematite (massive)
Halite
Antigorite
Garnet
Azurite
Siderite
Barite
Biotite
Fluorite
Olivine
Pyrolusite
Calcite (massive)
Epidote
 
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Minerals by class: Silicates | Halides | Carbonates | Sulfates | Oxides | Phosphates | Hydroxides | Native elements | Sulfides
  

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