Sapphire | Lulwe, Malawi | Al₂O₃ | Sapphire Specimen

These blue beauties are part of the Corundum group which is better known as ruby. Sapphires even share the same chemical composition as ruby, but different solutions during their formation made them the blue color we all know and love.
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Metaphysically, sapphire is said to be the wisdom stone. It stimulates concentration, enhances creativity, and promotes deep thought.