Dolomite MCQs

 

Dolomite: Interactive MCQ Quiz

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

1. Which colors of dolomite crystals does the book describe?

Blue, green, and black
Colorless, white, pink, or yellow
Red, orange, and violet only
Brown with metallic streaks only

2. What distinctive feature do dolomite crystals often have?

Six-rayed stars
Fibrous ends
Perfectly spherical surfaces
Curved faces

3. Why is dolomite rarely faceted?

It is soft and has perfect cleavage
It is always opaque and black
It has no crystal structure
It is too hard to cut

4. What does the book give as dolomite’s main use?

Electrical insulation
A source of metal for tools
A decorative stone in massive form
Industrial glass fibers

5. In which rocks does the book say dolomite is found?

Basalts and coal seams
Limestones and marbles
Sandstones and salt beds
Pegmatites and mica schists

6. Which locations does the book list for the best dolomite crystals?

Brazil, the Urals, and Namibia
Thailand, Sri Lanka, and East Africa
Australia, Canada, and Iceland
Italy, Switzerland, Germany, and the USA

7. What composition does the book list for dolomite?

Magnesium and calcium carbonate
Hydrated copper silicate
Aluminum oxide
Beryllium silicate

8. What crystal structure does the book list for dolomite?

Cubic
Monoclinic
Trigonal
Orthorhombic

9. What hardness does the book list for dolomite?

2
3½
5
7½

10. How does the book describe dolomite’s luster?

Metallic
Resinous
Adamantine
Vitreous to pearly