Economic Geology Ores
16 Questions
| Total Attempts: 308
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How well do you know economic ores, their appearance and their chemical formulae? When typing in formulae, don't worry about subscript values. When an equation can contain one of two different elements, use a comma "," to separate the two.
Questions and Answers
- 1.What is the chemical formula for Chalcopyrite?
- 2.Which mineral has the chemical formula Cu5FeS4 ?
- A.
Ilmenite
- B.
Bornite
- C.
Pentlandite
- D.
Azurite
- 3.What is the chemical formula for Wolframite?
- 4.Which of the following can be used to describe Stibnite?
- A.
Magnetic
- B.
Acircular
- C.
Vitreous
- D.
Silvery
- E.
Transparent
- F.
Crystals have growth lines perpendicular to long axis
- 5.What is the chemical formula for Barite?
- 6.Hematite is magnetic.
- A.
True
- B.
False
- 7.What is the chemical formula for Magnetite?
- A.
FeSO4
- B.
Fe3O4
- C.
Au
- D.
FeTiO3
- 8.What is the chemical equation of Chromite?
- 9.What is the chemical formula for Arsenopyrite?
- 10.What colour is Nickeline?
- A.
Silver
- B.
Pink
- C.
Black
- D.
Blue
- E.
Yellow
- 11.Which two minerals are commonly associated with Azurite?
- A.
Malachite
- B.
Cuprite
- C.
Barite
- D.
Cinnabar
- E.
Cassiterite
- F.
Chromite
- 12.What is the chemical formula for Pyrrhotite?
- 13.What is the chemical formula for Pyrite?
- 14.What is the chemical formula for Bauxite?
- 15.What is the chemical formula for Molybdenite?
- 16.The description "Peacock blue to purple" best describes which mineral?
- A.
Bornite
- B.
Azurite
- C.
Chromite
- D.
Cassiterite
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