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


Which of these minerals is a natural glass, normally dark in colour ?

 

Shell
Tektite
Jet
Obsidian

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

 

2000
50
250
450
All gem quality corundum, that is not red, is known as

 

Padparadscha
Emeralds
Rubies
Sapphires

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

 

Brown
Green
Blue
Red
Which organic gem is best sourced from the tusk of the African Elephant ?

 

Coral
Jet
Shell
Ivory

 The gemstone Serpentine is primarily which colour ?

 

Brown
Green
Blue
Red
Which organic gemstone is classified as a type of coal ?

 

Coral
Pearl
Shell
Jet

 Red varieties of corundum are known as

 

Padparadscha
Emeralds
Rubies
Sapphires
Which sulphite yellowish white to brown mineral is used to make gemstones ?

 

Scheelite
Epsomite
Gypsum
Crocoite

 Alabaster is a type of which sulphate mineral ?

 

Scheelite
Epsomite
Gypsum
Crocoite


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