• Wrong document? Swap it for free
  • Written by students who passed
  • Immediately available after payment
  • Read online or as PDF
Sell
Where do you study
Your language
Document preview thumbnail
Preview 2 out of 5 pages
Exam (elaborations)

ASSIGNMENT 18: SIMULANTS| QUESTIONS & ANSWERS VERIFIED SOLUTIONS 100%|GRADE A+|LATEST 2024/2025

Document preview thumbnail
Preview 2 out of 5 pages

Diamond simulant - Any material that is not diamond or lab-grown diamond, but which imitates a diamond's appearance and is used in its place. Doublet - Two separate pieces of material fused or cemented together to form a single assembled stone.

Content preview

ASSIGNMENT 18: SIMULANTS| QUESTIONS & ANSWERS VERIFIED
SOLUTIONS 100%|GRADE A+|LATEST 2024/2025

Diamond simulant - ✔✔Any material that is

not diamond or lab-grown diamond, but

which imitates a diamond's appearance and

is used in its place.



Doublet - ✔✔Two separate pieces of material

fused or cemented together to form a

single assembled stone.



Foilback - ✔✔Gemstone or simulant with a thin

metallic foil or mirroring film applied to its

pavilion.



Rhinestone - ✔✔A foilbacked, colorless, leadglass

diamond imitation.



Separation - ✔✔Process of distinguishing

natural minerals and gems from each other

as well as from lab-grown gems, simulants,

and treated gems.



Thermal tester - ✔✔An instrument that

measures thermal conductivity to help

separate natural and lab-grown diamonds

from most simulants.

, Diamond simulants

A. are always manmade.

B. only look like diamonds.

C. are the same as lab-grown diamonds.

D. have the same properties as natural diamonds. - ✔✔B



Which of the following is a natural gem?

A. YAG

B. GGG

C. Zircon

D. Strontium titanate - ✔✔C



Which of the following properties is higher in GGG than in diamond?

A. Doubling

B. Dispersion

C. Specific gravity

D. Thermal conductivity - ✔✔C



Which diamond simulant shows noticeable doubling and strong fire?

A. CZ

B. Zircon

C. Synthetic rutile

D. Strontium titanate - ✔✔C



A stone formed by cementing two separate pieces of material together is called a...

A. doublet.

B. lab-grown stone.

Document information

Uploaded on
August 11, 2024
Number of pages
5
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers
$12.89

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Sold
0
Followers
0
Items
263
Last sold
-



Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions