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I am a beautiful blue gem, I was only discovered in the decade when the first first human had a journey into outer .....

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I am a beautiful blue gem, I was only discovered in the decade when the first first human had a journey into outer space, my blue color is caused by small amounts of vanadium within the mineral structure, I am heated to a temperature of 600 degrees Celsius for about 30 minutes to have improved color, I have deposits of commercial importance in one country only, look at my photo and find my name


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posted Jul 7, 2018 by Hanifa Mammadov

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1 Answer

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Is that a sapphire

answer Jul 12, 2019 by Comeback Tuesday
no not sapphire



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