spinel crystal
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Spinel: The Best Gemstone of All Time
Spinel has been known since ancient times, and it was often mistaken for rubies and sapphires. Many famous gemstones, once considered rubies or sapphires, turned out to be spinels. For example, the famous "Black Prince's Ruby" in the British Crown Je...
vansh shekhawat · 17 March 2023 · 14