Carnelian (Chalcedony) MCQs

 

Carnelian (Chalcedony): Interactive 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. How does the book describe carnelian?

An opaque, blue variety of beryl A translucent, reddish-orange variety of chalcedony A green variety of feldspar A colorless variety of garnet

2. What causes carnelian’s red shades, according to the book?

Chromium Nickel Manganese Iron oxide

3. What does the book say about carnelian’s color pattern?

It may be uniform or faintly banded It always has bold black-and-white bands It is always spotted with green It has no visible color variation

4. Where does the book say the best carnelian comes from?

Brazil Uruguay India Germany

5. Why is carnelian from India placed in the sun, according to the book?

To make red stones turn brown To change brown tints to red To remove all iron oxide To make the stone colorless

6. What does the book say about most carnelian on the market?

It is synthetic beryl It is heat-treated aquamarine It is natural red jasper from India It is stained chalcedony from Brazil or Uruguay

7. What was carnelian once believed to do?

Still the blood and calm the temper Protect against sight defects and drought Predict the future Restore color to emeralds

8. What composition does the book list for carnelian?

Calcium phosphate Beryllium aluminum silicate Silicon dioxide Titanium oxide

9. What hardness does the book give for carnelian?

5 7 8 9

10. Which luster range does the book list for carnelian?

Metallic to earthy Pearly to silky Adamantine only Vitreous to waxy