Amethyst (Quartz) MCQs

 

Amethyst (Quartz): Interactive Gemstone MCQ Quiz

Choose one answer for each question, then select Submit Quiz. Your score and explanations will appear below. Incorrect and unanswered questions include an explanation of the correct answer.

1. What is amethyst, according to the book?

A blue variety of beryl A green variety of garnet Crystalline quartz in purple, lilac, or mauve shades A red variety of spinel

2. What color effect does the book describe for amethyst when viewed from different angles?

A bluish or reddish purple tinge A green or yellow tinge A permanent change from purple to blue A metallic gray reflection

3. How is amethyst usually faceted?

Only as a cabochon Only as a brilliant cut Only as a bead As a mixed or step cut

4. Which inclusion patterns does the book mention in amethyst?

Only metallic needles Tigerstripes, thumbprints, or feathers Only square cavities Hexagonal color bands

5. What can some amethyst become when heat-treated?

Aquamarine Emerald Citrine Benitoite

6. What name does the book give to a crystal containing both citrine and amethyst?

Ametrine Heliodor Goshenite Sagenite

7. Where does the book say amethyst is found?

Only in pegmatites Only in blue schists Only in rhyolite In alluvial deposits or geodes

8. Where are some of the largest amethyst-containing geodes found?

Canada Brazil Spain Egypt

9. Which color description matches Canadian amethyst in the book?

Golden yellow Reddish brown Violet Colorless

10. Which materials does the book say have been used to imitate amethyst?

Glass and synthetic corundum Natural zircon and tourmaline only Calcium phosphate and tin oxide Silver foil and copper