Mineral 1.0: Mineral identification quiz

Mineral 1.0

Test 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: Very fine grained aggregate of red crystals.
Lustre: Earthy
Hardness: 5 - 6
Cleavage: None
Fracture: Subconchoidal
Streak: Deep red
Rxn w/ Acid: Unknown
Magnetism: Weak
Specific Gravity: 5.3
Hint: Deep red streak and earthy lustre are indicative. SG may also be indicative.



Aragonite
Quartz (massive)
Magnetite
Actinolite
Chlorite
Chalcopyrite
Corundum
Biotite
Hematite (specular)
Dolomite
Quartz (smoky)
Olivine
Staurolite
Calcite (massive)
Pyrolusite
Kaolinite
Hematite (massive)

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