Welcome to your Module 11 - Observations: Magnification

1. What is the primary use of a 10x lens in gemology?

2. Which lighting method in a gemological microscope is used to enhance the visibility of inclusions?

3. What does polarized lighting in gemological examinations help to identify?

4. Which feature is NOT typically revealed by using a 10x lens?

5. What can growth patterns within a gemstone indicate?

6. Which method can highlight surface features and texture effectively?

7. What is a key identifier of natural gemstones?

8. Which type of gemstone is typically flawless or contains inclusions that mimic natural stones?

9. What type of inclusions might be found in natural gemstones?

10. How can treated gemstones often be identified?

11. What does a gemological microscope provide compared to a 10x lens? -

12. Which component of the gemological microscope allows for capturing images?

13. Which component of the gemological microscope allows for capturing images?

13. What is one benefit of using fiber optic lighting in gemstone examination?

14. How are synthetic gemstones typically identified?

15. Which type of gemstone is created in a laboratory?

16. What is the main purpose of using a gemological microscope in gemstone analysis?

17. What lighting method is useful for inspecting internal stress patterns in gemstones?

18. What is typically revealed by using oblique lighting?

19. How can natural gemstones often be differentiated from artificial ones?

20. What does brightfield illumination in a gemological microscope help to reveal?