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: Fibrous
Lustre: Silky
Hardness: 2.5
Cleavage: None
Fracture: Uneven
Streak: White
Rxn w/ Acid: Unknown
Magnetism: None
Specific Gravity: 2.5

Hint: Habit and colour and most indicative properties.

  

Sphalerite
Graphite
Orthoclase
Hornblende
Corundum
Kaolinite
Chrysotile
Garnet
Calcite (sparry)
Aragonite
Apatite
Plagioclase
Selenite
Alabaster
Copper
Magnetite
Tourmaline
Limonite
 
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