Heliodor (Beryl) MCQs

 

Heliodor (Beryl): 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 kind of beryl is heliodor?

A colorless variety A yellow or golden-yellow variety A dark blue variety A red variety

2. What has heliodor traditionally been linked with, according to the book?

The sea The moon The forest The sun

3. What does the book say about inclusions in heliodor?

Fine, slender tubes are often present and may be visible to the naked eye Inclusions never occur Only metallic grains are found Inclusions occur only in synthetic stones

4. In what setting does heliodor occur with aquamarine?

Coral reefs Alluvial gravel only Granitic pegmatites Coal beds

5. Where does the book say the finest-quality heliodor is found?

Brazil The Urals in Russia Namibia The USA

6. How is pale-yellow Brazilian heliodor often cut, according to the book?

As a cabochon to create a cat’s-eye effect As a brilliant cut to remove all color As an unpolished pebble As a step cut to give depth of color

7. Which locality is noted for heliodor of a finer color?

Madagascar The Urals Ukraine Namibia

8. Which crystal structure is listed for heliodor?

Cubic Triclinic Hexagonal Monoclinic

9. What luster does the book list for heliodor?

Metallic Vitreous Pearly Earthy

10. What hardness does the book give for heliodor?

4 5 6 7½