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What gives the gem amethyst is purplish color? a. Quartz b. Iron c. Oxygen d. Titanium
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1 vote
What gives the gem amethyst is purplish color?

a. Quartz
b. Iron
c. Oxygen
d. Titanium

User RandyMy
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1 Answer

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Gem amethyst turns purple because of the irradiation with iron. Answer is Iron.
User Nils Hott
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