Learning Library

Sphalerite: A Brilliant Treasure

A rare treasure for gemstone collectors, sphalerite has an unforgettable fire and brilliance and a greater dispersion than diamond. Fine, well cut and faceted sphalarite has an adamantine, or "diamond like" luster.

Recent Jewelry Articles

View All Articles by Category

Citrine: November's Contemporary Birthstone

Citrine, November's birthstone, offers a range of sunny, cheerful autumnal colors that are absolutely exquisite

Opal: October's Color Fest Birthstone

Learn more about the various types of opals and the unique qualities that differentiate each one.

Exciting World of Fine Mineral Specimens

Learn more about the shapes, colors and individuality of fine mineral specimens.

Moissanite Fire Collection™

Turn up the heat and learn more about these sparkling sensations.

Engagement Rings

Learn all about diamond and colored gemstone engagement rings.

Jewelry Education

Jewelry Education - Rings, Earrings, Necklaces, Clasps.

Morganite

Morganite is the pretty, peachy-pink variety of beryl.

Garnet Colors and Varieties

Learn about the colors and varieties of the beautiful gemstone Garnet.

Spinel, The Mystery Stone

Learn why spinel is named the mystery stone. 

How to Collect Rocks, Minerals & Gemstones

Start Your Collection (Part 1)

Published: September 2017
Read More

Preserve & Organize Your Pieces (Part 2)

Published: September 2017
Read More

Display Your Treasures (Part 3)

Published: September 2017
Read More

The Gemopedia™ is your all-in-one resource for gemstone history and education. Discover exotic gem colors, gem shapes, gemstone properties, and more to help you identify and enjoy the gems in your collection. Visit the Gemopedia™ to see more!

Gemopedia

Morganite

Iolite

Ruby

Alexandrite

Diamond

Tanzanite

Glossary

From abalone to zircon, learn about gemstone and jewelry terms in our extensive photographic glossary.

Gemstone Identification

Learn to tell topaz from tourmaline and one blue stone from another using our gemstone identification guide.

Gem Enhancements and Care

It's important to understand how and if the gemstones in your collection are enhanced to help you properly care for and keep them looking their best for generations.