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: Compact masses, often no crystals.
Lustre: Greasy
Hardness: 1
Cleavage: Perfect
Fracture: Uneven
Streak: White
Rxn w/ Acid: Unknown
Magnetism: None
Specific Gravity: 2.6 - 2.8

Hint: Mineral is very soft and are often compact masses. Colour is typical and varies to brown, green or gray.

  

Fluorite
Hornblende
Selenite
Malachite
Kyanite
Olivine
Apatite
Pyrite (massive)
Tourmaline
Stibnite
Molybdenite
Alabaster
Siderite
Muscovite
Talc
Hematite (specular)
 
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