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Angles for Cutting Garnets

Cutting garnets and other color saturated gems for brilliance can be challenging. Here's some advice for choosing the best angles for color and brilliance.

What Is A Dichroscope And How Is It Used?

The dichroscope is used to distinguish the colors of pleochroic gems. Learn how this tool can help you identify gems and choose the best faceting designs.

Identifying Garnets Simplified

Identifying garnets by species is complicated. Learn how to use refractive index, hue, and absorption spectrum readings to simply the separation process.

The Collector’s Guide to the Minerals of New York State: Book Review

The Collector's Guide to the Minerals of New York State is ideal for both experts and hobbyists. Its information, organization, and photos are first rate.

Faceted Gemstones And Light Return Measurements

What factors determine the light return of faceted gemstones? Facet quality, polish, color, and cut style all play roles. Learn more about these variables.

Best Rough Gemstones For Beginning Faceting

Learn which rough gemstones are ideal for beginning faceting practice. A progression of relatively inexpensive gem species can teach important skills.

Why Choose a Barion Cut?

Gem faceters must consider factors like brilliance, color, and faceting yield before choosing a cut style. Learn what a Barion cut can bring to a gemstone.

What Is A Rhodolite Gem?

Garnet species are always found as mixtures. Learn what’s distinctive about the rhodolite variety.