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: Micaceous/tabular habit.
Lustre: Metallic
Hardness: 5 - 6
Cleavage: None
Fracture: Subconchoidal
Streak: Deep red
Rxn w/ Acid: Unknown
Magnetism: None
Specific Gravity: 5.3

Hint: Shining gray metallic lustre and deep-red streak are indicative.

  

Epidote
Molybdenite
Biotite
Plagioclase
Galena
Dolomite
Limonite
Marcasite
Hematite (specular)
Copper
Muscovite
Siderite
Halite
Quartz (crystal)
Aragonite
Olivine
Calcite (massive)
 
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