Brazilianite MCQs

 

Brazilianite: Interactive MCQ Quiz

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

1. How does the book describe brazilianite as a gemstone?

A common stone used for everyday jewelry
A common industrial mineral
A rare, unusual stone cut for collectors only
A synthetic imitation of topaz

2. Which colors does the book describe for brazilianite?

Yellow or yellowish green
Blue or violet
Pink or red
Black or metallic gray

3. Why does the book describe brazilianite crystals as fragile?

They are too soft to form crystals
Their color fades in daylight
They contain water-filled cavities
They are brittle and have perfect cleavage

4. In which direction does brazilianite have perfect cleavage?

Parallel to the crystal’s length
Perpendicular to the crystal’s length
Only along the crystal’s surface coating
The book says it has no cleavage

5. Where does the book identify as the main locality for brazilianite?

Madagascar
Sri Lanka
Brazil
Namibia

6. How large have brazilianite crystals found in Brazil been?

Up to 6 inches (15 cm)
Up to 1 inch (2.5 cm)
Up to 40 inches (1 m)
Up to 35,000 carats

7. Where have smaller brazilianite crystals been mined?

Nevada
Colorado
Idaho
New Hampshire

8. When and where was brazilianite found, according to the book?

In 1952 in Sri Lanka
In 1944 in Minas Gerais, Brazil
In 1884 in Austria
In 1912 in Kashmir, India

9. Which mineral was brazilianite first mistaken for when it was discovered?

Peridot
Topaz
Chrysoberyl
Beryllonite

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

Monoclinic, aluminum sodium hydroxyphosphate, hardness 5½
Monoclinic, sodium beryllium phosphate, hardness 5½
Orthorhombic, aluminum iron borosilicate, hardness 7
Trigonal, complex borosilicate, hardness 7½