Spinel is an extremely durable gemstone with a hardness of 8 on the MOHS scale. This makes it suitable for use in every day jeweler. It’s stability and endurance is shown in the State Crown which is over 1000 years old. Spinel is a single refractive gemstone that can be red, pink, blue, colorless and violet.

Spinel is a gemstone that comes in a variety of colors.  Spinel is colorless, but  are responsible for the wide range of colors. The most valuable and desirable Spinel color is a deep blood red, though blue, yellow, orange, pink, and purple colors also make fine gemstones. Spinel is oftenin , and this can be helpful in its identification.

Fine red Spinel is actually rarer than Ruby of equal color. However, its  is an undervalued gemstone, with its cost is about 30% lower then comparable Ruby. The scarcity of good Spinel is the reason for its lack of demand and popularity. Gem Spinel is in very limited supply, and therefore jewelry companies and gem cartels don’t really market this gemstone to the consumer. This inhibits Spinel from being a more mainstream gemstone.

Spinel is easily synthesized, and can be made into any color by adding . Synthetic Spinel is often simulated to replicate many other gemstones such as ,  and  Because of the abundance of synthetic Spinel, one must always be careful only to purchase this gemstone from reputable dealers. Almost all colorless Spinel gemstones are synthetic, as it rarely occurs colorless in nature.