Kornerupine MCQs

 

Kornerupine: Interactive MCQ Quiz

Choose one answer for each question, then select Submit Quiz. Your score and explanations will appear below.

1. When was kornerupine named, according to the book?

1812
1912
1884
1984

2. When was gem-quality kornerupine first found, according to the book?

1912
1884
1812
2012

3. For whom is kornerupine usually cut, according to the book?

For everyday jewelry
For industrial tools
For decorative building stone
For collectors only

4. Which colors may kornerupine show when viewed from different directions?

Blue or colorless
Green or reddish brown
Pink or yellow
White or metallic gray

5. How should kornerupine be oriented in cutting to show its best color?

With the table facet perpendicular to the crystal’s length
With the table facet at a random angle
With the table facet parallel to the crystal’s length
Only as a cabochon

6. Which set of locations does the book list for kornerupine?

Madagascar, Sri Lanka, and East Africa
Brazil, Norway, and Canada
Italy, Germany, and England
Australia, Mexico, and Japan

7. Where does the book mention an emerald-green variety of kornerupine?

Madagascar
Sri Lanka
Norway
East Africa

8. From which locations are cat’s-eye kornerupine gems cut?

Madagascar and Norway
Sri Lanka and East Africa
Brazil and Canada
Italy and Germany

9. Which two minerals has kornerupine been confused with?

Topaz and danburite
Calcite and dolomite
Tourmaline and enstatite
Barite and celestine

10. Which set of properties matches kornerupine in the book’s table?

Orthorhombic, magnesium aluminum borosilicate, hardness 6½
Orthorhombic, aluminum silicate, hardness 7½
Trigonal, complex borosilicate, hardness 7½
Orthorhombic, magnesium iron silicate, hardness 5½