EOSC 118 TEST QUESTIONS AND ANSWERS ALL CORRECT
Where are the finest qualities of rubies found - Answer- Myanmar (the Mogok Stone Tract of Burma)
What is considered the best colour of rubies - Answer- pigeon's blood red
Where are the common geographic origins for diamonds, rubies, and eme...
Where are the finest qualities of rubies found - Answer- Myanmar (the Mogok Stone
Tract of Burma)
What is considered the best colour of rubies - Answer- pigeon's blood red
Where are the common geographic origins for diamonds, rubies, and emeralds ? -
Answer- diamonds - South Africa
emeralds - Columbia (formally Egypt)
rubies - Myanmar
What are the primary uses for PGMs - Answer- electronics, jewellery, and autocatalysts
Which country has historically been the world's largest producer of newly mined gold vs.
in recent years - Answer- historically > South Africa
in recent years > China
bonus: Canada was the 5th largest producer in the world in 2020 with 5.7% of gold
produced
what are the main uses for gold - Answer- - jewellery
- electronics
- currency
- investment (increased during COVID)
recycling is an important source of gold: true or false ? - Answer- true ! melted down
from old jewellery or recovered from old electronics, recycling produced 1,297 tonnes of
gold in 2020
what are the 6 main PGMs - Answer- Pt - platinum (main)
, BONUS: Rh is usually most expensive, Pd is usually least expensive, and Pt is usually
in the middle
which is more rare ? gold or PGMs - Answer- PGMs are more rare
what two countries are the main producers of PGMs - Answer- South Africa, followed by
Russia
BONUS: significant tonnages provided by the US and Canada
what are PGMs also commonly referred to as ? - Answer- Platinum Group Elements
(PGEs)
prominent uses for diamonds - Answer- - Jewellery
- Industrial Applications (abrasives)
what are the 6 generalized steps to bringing a diamond to market - Answer- 1)
geological prospecting, exploration, and development of mine site
2) production of rough diamonds from mine(s) go to the Central Selling Organization
3) sorting, valuing, and sighting of rough stones by DTC to sightholders
4) cutting and polishing into finished diamonds
5) jewellery and gem manufacturing and distribution
6) retail stores and sales
what are some historical uses + appreciation for gems and precious metals - Answer- -
religion
- symbols of power/wealth
- amulets to tap into mystical properties
- royal gifts and official seals
- used as currency + investments (diamonds + gold)
- intrinsic beauty and properties (gold is malleable and doesn't corrode)
maple leaf diamonds + canadamark are certified products of... - Answer- the Etaki and
Diavik diamond mines
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Scholarsstudyguide. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £9.44. You're not tied to anything after your purchase.
