Search results for:


Gemstone Toxicity Table

…Known Soluble in acids Jadeite None Known N/A Jasper Low Silicosis Jeremejevite None Known N/A Jet High Organic Material Kämmererite…

Ready to learn how to identify gems on your own?

Join our mailing list below to download a FREE gem ID checklist tutorial. See what’s inside…

• Discover the 17 practical steps to gemstone identification (even if you’re just getting started with gemology)

• Learn how you can use specific tools to gather data, make observations & arrive at an accurate ID

• Explore a range of gemological tests… not only will you get familiar with the process but also time-saving shortcuts!