Mining

Extremely BASIC Star Sapphire Explanation #gems #nature #crystals #mining #science

Photo of Dr.Wooz Dr.Wooz Send an email September 14, 2023
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Sapphires are a variety of corundum and when they display an asterism like this; it means that rutile (titanium oxide) inclusions are …

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Photo of Dr.Wooz Dr.Wooz Send an email September 14, 2023
0 9 Less than a minute
Photo of Dr.Wooz

Dr.Wooz

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