1|Page
SARTECH II EXAM TEST BANK /SARTECH
II PRACTICE EXAM NEWEST 2025/2026
COMPLETE ALL 300 QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||BRAND NEW
VERSION!!
London Diamond Syndicate - . . ANSWER ✔ ✔What
group was critical to De Beers's early sales strategy?
Color - . . ANSWER ✔ ✔How are gem-quality rough
diamonds sorted?
Baby Boomers - . . ANSWER ✔ ✔What generation was
first to connect with diamonds as a representation of
lifetime commitment?
India - . . ANSWER ✔ ✔Where did the diamond industry
first start?
,2|Page
Single-channel marketing - . . ANSWER ✔ ✔What
describes the concept of centrally controlled supply,
purchase, promotion, and sales of rough diamonds?
Lower mantle - . . ANSWER ✔ ✔What mantle layer is
most dense?
Will turn into graphite - . . ANSWER ✔ ✔What happens to
diamond if lamproite stalls in the continental crust?
When a continental and oceanic plate collide - . . ANSWER
✔ ✔When does subduction occur?
High heat and high pressure - . . ANSWER ✔ ✔How are
metamorphic rocks formed?
CLIPPIR diamonds, blue diamonds, Brazil's Junia
diamond - . . ANSWER ✔ ✔What is an example of a
superdeep diamond?
A good sign that a pipe is nearby - . . ANSWER ✔ ✔What
might black spinel in a mineral sample indicate?
,3|Page
Robotic/automated crawlers - . . ANSWER ✔ ✔What
equipment might offshore deep-sea diamond mining use?
Primary deposits - . . ANSWER ✔ ✔What deposit type
produces most diamonds mined today?
Character sampling - . . ANSWER ✔ ✔What type of
sampling gives an initial idea of diamond quality for a
deposit?
Brazil - . . ANSWER ✔ ✔Where are rocks and geological
structures similar to Africa found due to ancient
connections?
Crystal structure - . . ANSWER ✔ ✔What is another term
for crystal lattice?
Type Ia - . . ANSWER ✔ ✔What type are most natural
diamonds?
, 4|Page
Cleavage - . . ANSWER ✔ ✔What is a smooth, flat break in
a crystal parallel to a cleavage plane?
Macle - . . ANSWER ✔ ✔What is a flat, triangular,
twinned diamond crystal?
Intrinsic defect and extrinsic defects - . . ANSWER ✔
✔What types of point defects are found in diamonds?
Color center - . . ANSWER ✔ ✔What influences light
absorption, resulting in bodycolor?
Hydrogen-related defects - . . ANSWER ✔ ✔What trace
element can cause a violet color in diamonds?
Lower - . . ANSWER ✔ ✔How does the energy emitted by
a gem compare to the energy it absorbs?
White light - . . ANSWER ✔ ✔What type of light combines
all the colors in the visible spectrum?
SARTECH II EXAM TEST BANK /SARTECH
II PRACTICE EXAM NEWEST 2025/2026
COMPLETE ALL 300 QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||BRAND NEW
VERSION!!
London Diamond Syndicate - . . ANSWER ✔ ✔What
group was critical to De Beers's early sales strategy?
Color - . . ANSWER ✔ ✔How are gem-quality rough
diamonds sorted?
Baby Boomers - . . ANSWER ✔ ✔What generation was
first to connect with diamonds as a representation of
lifetime commitment?
India - . . ANSWER ✔ ✔Where did the diamond industry
first start?
,2|Page
Single-channel marketing - . . ANSWER ✔ ✔What
describes the concept of centrally controlled supply,
purchase, promotion, and sales of rough diamonds?
Lower mantle - . . ANSWER ✔ ✔What mantle layer is
most dense?
Will turn into graphite - . . ANSWER ✔ ✔What happens to
diamond if lamproite stalls in the continental crust?
When a continental and oceanic plate collide - . . ANSWER
✔ ✔When does subduction occur?
High heat and high pressure - . . ANSWER ✔ ✔How are
metamorphic rocks formed?
CLIPPIR diamonds, blue diamonds, Brazil's Junia
diamond - . . ANSWER ✔ ✔What is an example of a
superdeep diamond?
A good sign that a pipe is nearby - . . ANSWER ✔ ✔What
might black spinel in a mineral sample indicate?
,3|Page
Robotic/automated crawlers - . . ANSWER ✔ ✔What
equipment might offshore deep-sea diamond mining use?
Primary deposits - . . ANSWER ✔ ✔What deposit type
produces most diamonds mined today?
Character sampling - . . ANSWER ✔ ✔What type of
sampling gives an initial idea of diamond quality for a
deposit?
Brazil - . . ANSWER ✔ ✔Where are rocks and geological
structures similar to Africa found due to ancient
connections?
Crystal structure - . . ANSWER ✔ ✔What is another term
for crystal lattice?
Type Ia - . . ANSWER ✔ ✔What type are most natural
diamonds?
, 4|Page
Cleavage - . . ANSWER ✔ ✔What is a smooth, flat break in
a crystal parallel to a cleavage plane?
Macle - . . ANSWER ✔ ✔What is a flat, triangular,
twinned diamond crystal?
Intrinsic defect and extrinsic defects - . . ANSWER ✔
✔What types of point defects are found in diamonds?
Color center - . . ANSWER ✔ ✔What influences light
absorption, resulting in bodycolor?
Hydrogen-related defects - . . ANSWER ✔ ✔What trace
element can cause a violet color in diamonds?
Lower - . . ANSWER ✔ ✔How does the energy emitted by
a gem compare to the energy it absorbs?
White light - . . ANSWER ✔ ✔What type of light combines
all the colors in the visible spectrum?
