Sphalerite Buying Guide
Our sphalerite buying guide can help you learn how these gems are graded, what to avoid, and how to identify a high quality stone or a bargain in the…
Bytownite Value, Price, and Jewelry Information
Although bytownite occurs throughout the world, this feldspar variety is rarely encountered in gem-quality condition.
Lapis Lazuli Buying Guide
Our lapis lazuli buying guide can help you learn how to grade these gems, what to avoid, and how to identify a high quality stone or a bargain in the…
March Birthstone: Aquamarine
The modern birthstone for March is aquamarine, a blue stone often connected to the ocean.
Gem, Mineral, and Rock Scanner Identification Apps Review
How accurate are gem, mineral, and rock scanner identification apps? Our review covers the strengths and weaknesses of over 20 apps.
Gemstone Faceting Terms: A Glossary for Students
A glossary of frequently encountered gemstone faceting terms for the student gemologist. Our list covers gemology, gem cutting, and equipment.…
September Birthstone: Sapphire
What is the birthstone for September? The birthstone for September is sapphire. Sapphires are members of the gem species corundum. Depending…
Morganite Buying Guide
Morganite has become a popular jewelry stone, especially for engagement rings. Our morganite buying guide can help you pick a great gem for any…
July Birthstone: Ruby
What is the July Birthstone? The July birthstone is ruby – the red variety of the gem species, corundum. Corundum is the same group that includes…
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