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1 vote
Sapphires and Rubies are composed of ?

A. olive
B. turquoise
C. corundum
D. quartz​

User Jirune
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2 Answers

11 votes

Answer:

c

Step-by-step explanation:

it is corundum now please follow me

User David Rivers
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4 votes

Answer: corundum

Explanation: Both are made of alumina and oxygen, but they just differ in color. When a corundum is red, it is classified as a ruby, and when it’s blue, it is called a sapphire.

User Bitbonk
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