jewelry

Gold, silver, and platinum are the most commonly used jewelry metals. Learn about their physical properties, alloys, and history.

Any stone that changes color under different types of light is a rare treat for collectors. Color change garnets show the widest range of transformations…

Malaia or malaya garnets are typically light to dark, slightly pinkish orange, reddish orange, or yellowish orange in color. This a popular…

Pyrope always occurs in series with other garnet species. Common, dark red garnets are a mixture of almandine and pyrope. Other mixtures also occur,…

Topaz is a semiprecious gemstone made of aluminum and fluorine. Although frequently associated with golden yellow and blue, it can be found in…

One of the rarer varieties in the garnet group, Mali garnet is a blend of grossular and andradite. This gemstone has great brilliance and a high dispersion.…

A little gemology goes a long way. Learn how to clean your gemstone jewelry safely and how to deal with difficult jewelry settings and sensitive…

Rhodolites are purplish red garnets, a blend between almandine and pyrope in composition. These durable gems have become popular jewelry stones.…

Emerald has been synonymous with the color green since ancient times. A fine emerald is a truly breathtaking sight, and this member of the beryl…