Pyrite MCQs

 

Pyrite: 10 Interactive MCQs

Choose one answer for each question, then select Submit Quiz. Incorrect answers include a clear explanation based on the book.

1. What composition does the book list for pyrite?

Zinc sulfide Calcium iron silicate Iron sulfide Magnesium aluminum oxide

2. What hardness does the book give for pyrite?

6 3½ 8 10

3. Why is pyrite sometimes called “fool’s gold”?

It is often found inside gold jewelry It changes into gold when polished It is a soft form of gold Its brassy yellow color can be mistaken for gold

4. What crystal forms does the book describe for pyrite?

Only long, cylindrical crystals Cubes or twelve-faced pyritohedra Only six-sided prisms Rounded, domed crystals with flat bases

5. How many edges does each face of a pyritohedron have?

Three Four Five Six

6. Which ancient civilizations are named in the book as having pyrite jewelry?

Greeks, Romans, and Incas Egyptians, Chinese, and Vikings Persians, Maya, and Aztecs Celts, Mongols, and Phoenicians

7. What is pyrite mainly used for in jewelry today?

Fine engagement rings Industrial cutting tools Gold-plated coins Costume jewelry

8. Why does pyrite require careful cutting?

It is too soft to hold a shape It is brittle It contains no iron It is transparent and colorless

9. In which kinds of rocks does pyrite occur?

Igneous, metamorphic, and sedimentary rocks Only in volcanic lava Only in river sands and gravels Only in limestone caves

10. Why is pyrite’s name connected to the Greek word for fire?

Pyrite forms only near volcanoes It becomes red when heated It can produce sparks when struck with a hammer It was used only to start ceremonial fires