GIA Diamond and Diamond Grading Final Exam Practice Questions and Answers | 100% Pass
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Course
GIA Diamond
Institution
GIA Diamond
GIA Diamond and Diamond Grading
Final Exam Practice Questions and
Answers | 100% Pass
How are gem-quality rough diamonds sorted? - Answer️️ -weight, shape, clarity, and
color
What is a downstream segment of the mine to market diamond journey? - Answer️️ -
Selling to a customer via dia...
What kind of rock creates a primary diamond deposit? - Answer✔️✔️-Kimberlite
How do geologists locate cratons? - Answer✔️✔️-geological mapping
How does ore removal start in a primary deposit? - Answer✔️✔️-Open-pit mining
What might perovskite in a mineral sample indicate? - Answer✔️✔️-A diamond
pipe/source deposit is nearby
What is the rock that covers a pipe? - Answer✔️✔️-overburden - also called yellow
ground due to yellow color
Which subatomic particle has no electrical charge? - Answer✔️✔️-Neutron
What can the diamond type classification system help to identify? - Answer✔️✔️-Lab-
grown diamonds
What is another name for the cubic system? - Answer✔️✔️-Isometric
What is the surface in a twinned crystal where the diamond's growth direction changes?
- Answer✔️✔️-Twinning plane
What is a rough diamond's value based on? - Answer✔️✔️-Facet gem potential
What type of radiant energy is found on the electromagnetic spectrum? - Answer✔️✔️-X-
ray
What causes steps in a diamond's band gap? - Answer✔️✔️-A constant energy
differences. How much energy an electron requires to move across the gap
What do electrons do when visible light is emitted during luminescence? - Answer✔️✔️-
Return to stable state
What subatomic particles interact with light to produce color? - Answer✔️✔️-Electrons
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