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Discerningly Versed - Effective Iterative Learning Quiz Questions - Gemstones VII
Discerningly Versed - Effective Iterative Learning


Which organic gem is best sourced from the tusk of the African Elephant ?

 

Ivory
Shell
Coral
Jet

 Of the 3000 known minerals, around how many are used as a gemstone ?

 

450
250
2000
50
Which sulphite yellowish white to brown mineral is used to make gemstones ?

 

Crocoite
Gypsum
Scheelite
Epsomite

 All gem quality corundum, that is not red, is known as

 

Sapphires
Rubies
Padparadscha
Emeralds
The gemstone Serpentine is primarily which colour ?

 

Red
Blue
Brown
Green

 Which organic gemstone is classified as a type of coal ?

 

Jet
Shell
Coral
Pearl
Alabaster is a type of which sulphate mineral ?

 

Crocoite
Gypsum
Scheelite
Epsomite

 The silicate minerals Jadeite and Nephrire are types of Jade, which is which colour ?

 

Red
Blue
Brown
Green
Which of these minerals is a natural glass, normally dark in colour ?

 

Obsidian
Jet
Shell
Tektite

 Red varieties of corundum are known as

 

Sapphires
Rubies
Padparadscha
Emeralds


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