GIA Diamonds and Diamond Grading Final Exam 2 Questions An
Answer
Verified 100%
Correct!!!
1. London Diamond What group was critical to De Beers's early sales strategy?
Syndicate
2. Color How are gem-quality rough diamonds sorted?
3. Baby Boomers What generation was first to connect with diamonds as a representation of
lifetime commitment?
4. India Where did the diamond industry first start?
5. Single- What describes the concept of centrally controlled supply, purchase,
channel promotion, and sales of rough diamonds?
marketing
6. Lower mantle What mantle layer is most dense?
7. Will turn What happens to diamond if lamproite stalls in the continental crust?
into
graphite
8. When a continen- When does subduction occur?
tal and oceanic
plate collide
9. High heat 11. A good sign that a pipe is nearby
and high
pressure
10. CLIPPIR dia-
monds, blue
di- amonds,
Brazil's Junia
diamond
1/
42
, GIA Diamonds and Diamond Grading Final Exam 2 Questions An
Answer
Verified 100%
Correct!!!
How are metamorphic rocks
formed?
What is an example of a
superdeep diamond?
What might black spinel in a
mineral sample indicate?
2/
42
, GIA Diamonds and Diamond Grading Final Exam 2 Questions An
Answer
Verified 100%
Correct!!!
12. Robotic/automat- What equipment might ottshore deep-sea diamond mining use?
ed crawlers
13. Primary deposits What deposit type produces most diamonds mined today?
14. Character What type of sampling gives an initial idea of diamond quality for a depos
sam- pling
15. Brazil Where are rocks and geological structures similar to Africa found due to
ancient connections?
16. Crystal structure What is another term for crystal lattice?
17. Type Ia What type are most natural diamonds?
18. Cleavage What is a smooth, flat break in a crystal parallel to a cleavage plane?
19. Macle What is a flat, triangular, twinned diamond crystal?
20. Intrinsic What types of point defects are found in diamonds?
defect and
extrinsic de-
fects
21. Color center What influences light absorption, resulting in bodycolor?
22. Hydrogen- What trace element can cause a violet color in diamonds?
relat- ed
defects
23. Lower How does the energy emitted by a gem compare to the energy it absorbs
24. White light What type of light combines all the colors in the visible spectrum?
3/
42
, GIA Diamonds and Diamond Grading Final Exam 2 Questions An
Answer
Verified 100%
Correct!!!
25. Nitrogen defects What is the most common cause of yellow color in diamonds?
4/
42
Answer
Verified 100%
Correct!!!
1. London Diamond What group was critical to De Beers's early sales strategy?
Syndicate
2. Color How are gem-quality rough diamonds sorted?
3. Baby Boomers What generation was first to connect with diamonds as a representation of
lifetime commitment?
4. India Where did the diamond industry first start?
5. Single- What describes the concept of centrally controlled supply, purchase,
channel promotion, and sales of rough diamonds?
marketing
6. Lower mantle What mantle layer is most dense?
7. Will turn What happens to diamond if lamproite stalls in the continental crust?
into
graphite
8. When a continen- When does subduction occur?
tal and oceanic
plate collide
9. High heat 11. A good sign that a pipe is nearby
and high
pressure
10. CLIPPIR dia-
monds, blue
di- amonds,
Brazil's Junia
diamond
1/
42
, GIA Diamonds and Diamond Grading Final Exam 2 Questions An
Answer
Verified 100%
Correct!!!
How are metamorphic rocks
formed?
What is an example of a
superdeep diamond?
What might black spinel in a
mineral sample indicate?
2/
42
, GIA Diamonds and Diamond Grading Final Exam 2 Questions An
Answer
Verified 100%
Correct!!!
12. Robotic/automat- What equipment might ottshore deep-sea diamond mining use?
ed crawlers
13. Primary deposits What deposit type produces most diamonds mined today?
14. Character What type of sampling gives an initial idea of diamond quality for a depos
sam- pling
15. Brazil Where are rocks and geological structures similar to Africa found due to
ancient connections?
16. Crystal structure What is another term for crystal lattice?
17. Type Ia What type are most natural diamonds?
18. Cleavage What is a smooth, flat break in a crystal parallel to a cleavage plane?
19. Macle What is a flat, triangular, twinned diamond crystal?
20. Intrinsic What types of point defects are found in diamonds?
defect and
extrinsic de-
fects
21. Color center What influences light absorption, resulting in bodycolor?
22. Hydrogen- What trace element can cause a violet color in diamonds?
relat- ed
defects
23. Lower How does the energy emitted by a gem compare to the energy it absorbs
24. White light What type of light combines all the colors in the visible spectrum?
3/
42
, GIA Diamonds and Diamond Grading Final Exam 2 Questions An
Answer
Verified 100%
Correct!!!
25. Nitrogen defects What is the most common cause of yellow color in diamonds?
4/
42
