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The Surprising Benefits of Choosing Natural Spinel Over Diamonds, Rubies, Sapphires and Emaralds

Discover why natural spinel stands out as the ideal choice for distinctive and enduring jewellery.
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What is Spinel? - Everything You need to Know

What is Spinel? - Everything You need to Know Spinel has a hardness of 8 on the Mohs hardness scale, diamond has a hardness of 10, and ruby and sapphire have a hardness of 9. A specific gravity of 3.6 and a refractive index of 1.718. It is transparent to opaque and has a vitreous lustre. Spinel i...
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