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


Alabaster is a type of which sulphate mineral ?

 

Scheelite
Epsomite
Gypsum
Crocoite

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

 

Padparadscha
Emeralds
Rubies
Sapphires
Of the 3000 known minerals, around how many are used as a gemstone ?

 

2000
50
250
450

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

 

Shell
Tektite
Jet
Obsidian
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
Which organic gem is best sourced from the tusk of the African Elephant ?

 

Coral
Jet
Shell
Ivory

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

 

Brown
Green
Blue
Red


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