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Spinel Value, Price, and Jewelry Information. Although long known best for being misidentified as ruby, spinel is a beautiful gem in its own right. Its colors, durability, and relative affordability make it an excellent jewelry stone. By Joel E. Arem, Ph.D., FGA, Donald Clark, CSM IMG, Barbara Smigel, PhD.
Mar 22, 2024 · spinel, mineral composed of magnesium aluminum oxide (MgAl 2 O 4) or any member of a group of rock-forming minerals, all of which are metal oxides with the general composition AB2 O 4, in which A may be magnesium, iron, zinc, manganese, or nickel; B may be aluminum, chromium, or iron; and O is oxygen. The spinel group is divided into three ...
Spinel is a gem that has been confused with ruby and sapphire for over 1000 years. Several of the most spectacular spinels ever discovered were mounted as "crown jewels" and other "jewelry of significance" under the assumption that they were rubies or sapphires. Spinel occurs in the same bright red and blue colors as rubies and sapphires.
The spinel used in jewelry is a small part of a group of minerals that share the same crystal structure. Not all of them form transparent crystals suitable for jewelry use, however. Spinel offers a range of hues, from orange to intense “stoplight” red, vibrant pink, and all shades of purple, blue, and violet through bluish green.
Research. Buyer's Guide. Spinel has been making a name for itself over the last couple of decades, and demand exceeds supply. Spinel comes in a variety of colors, but the most commercially important are red and pink. FIND A JEWELER. Submit your gemstone through your local jeweler. FIND A REPORT.
Spinel Care and Cleaning Guide. Spinel is a magnificent-but-rare stone that is durable enough to be worn in all types of jewelry. - Courtesy Thomas Baross. Hardness and toughness. Gem and mineral hardness is measured on the Mohs scale. The numbers are based on the relative ease or difficulty with which one mineral can be scratched by another.
Spinel. For centuries, people thought spinel was ruby. It was discovered to be a separate mineral a couple of centuries ago. Even so, spinel is loved for its rich red color and history. Its crystal structure and the different colors it comes in make it special, too. Collectors love spinel crystals that are shaped nicely. Red spinel is the most ...
