Are minerals natural gems? - Quora

What are some more rare and beautiful stones than diamond? - Quora

What are some gemstones that are more valuable and stronger than diamonds? - Quora

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What precious stones are/were thought to possess mystical powers? - Quora

Are minerals natural gems? - Quora

What are minerals? Is it true that minerals are formed on Earth over time and not produced by the nature of Earth? What's the important difference between formation & growth? - Quora

Are minerals natural gems? - Quora

Is a ruby rarer than a diamond? - Quora

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