Cobalt spinel is a variety of spinel.

Color: The defining characteristic of cobalt spinel is its intense blue color, often resembling the color of fine sapphires. The presence of cobalt gives it its unique hue, ranging from a rich, saturated blue to lighter shades with hints of violet.

Durability: Spinels, including cobalt spinel, are relatively hard gemstones, scoring 7.5 to 8 on the Mohs scale of hardness. This makes them durable and suitable for use in jewelry.
Cobalt spinel is found in various locations worldwide, including Sri Lanka, Myanmar, Tanzania, and Vietnam. Each locality may produce cobalt spinel’s with slightly different colors and characteristics.

While cobalt spinel is not as well-known as other blue gemstones like sapphire, high-quality specimens with intense blue coloration are relatively rare and can command significant value in the gemstone market.

Metaphysical Properties: In metaphysical beliefs, cobalt spinel is thought to have properties that promote clarity of thought, communication, and creativity. It is also believed to bring peace and tranquility to the wearer.

Overall, cobalt spinel is a beautiful and desirable gemstone prized for its stunning blue color, durability, and affordability compared to other blue gemstones. Its unique hue and rarity make it an attractive option for collectors and jewelry enthusiasts alike.