The gemstone spinel, known for its vibrant colors resembling gems like rubies and sapphires, has now been shown to be capable ...
The gemstone spinel, known for its vibrant colors resembling gems such as rubies and sapphires, has now been shown to be ...
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Move over diamonds, these little-known gemstones are heating upIn 2016, jeweler Olivia Young of Ouroboros sold a red spinel ring for £6,000 ($7,700 ... Experts say that this previously overlooked gemstone is rocketing in desirability and value, as collectors ...
Spinel, MgAl 2 O 4 (download cif), is a rare gemstone that was used to imitate rubies. The structure has face-centered cubic symmetry, and is a little heavy to understand. The general formula is AB 2 ...
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