Search results for:


Australian Opals

…Australian Opal Trade The modern history of opal mining in Australia began in July of 1889. Tullie Cornthwaite Wollaston took 60 brilliant…

Opal Specialist Mini Course

Who is this course for? Hobbyists: Learn how to evaluate and care for opals Consumers: Learn how to choose an opal for jewelry Professionals: Think…

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!