inclusions

Aquamarine is known for its sea blue – blue green color. It is also the official birthstone for the month of March. This is a guide on Aquamarine Facet.…

Amber gem stones are just one of a few organic gemstones. They are formed by fossilization of tree resin. Ambers are rarely faceted and are very easy…

Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what Jeff shares on the Just Ask Jeff: Tucson Gem Show 2006 article.…

Get the insight of Jeff on all your questions and concerns about Gemstones. This “Just ask Jeff” article talks about the authenticity of man-made…

“Just Ask Jeff” shares his thoughts on the Color Stone Grading System of The GIA. In May 2008, he had been informed that the grading system was modified.…

Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what his answers are to the continuing questionable Andesine…

Jeff R Graham shares determining c axis on topaz. See his answers to How do I tell where the “c” axis on Topaz is and orientate it?.

This stone is a beautiful, Paraiba-like neon blue color, but a bit darkish in the ends and a bit less than eye clean. You can see a little twinkle in…

This is a very pretty mint green stone with good play of color. Inclusions near edges of stone can probably by hidden under prongs when stone is set…