opal

The newest thing in the opal world is the Opal Smart Chart. This is a software package designed to help you value your opals. It has two segments….…

…Chart for Opals is available from www.opalmine.com. The cost $145 US and that includes yearly pricing downloads. ‘She won’t be right’ mate!…

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

Opal doublets and triplets make use of opal too thin to use as a solid gemstone. A thin layer of precious opal is glued to a black base, usually common……

…buyers about opal wearability. However, there are still ways to wear your opal jewelry safely. Protective settings, especially for ring use,…

…display opalescent fire are usually better to cut as cabochons. Design Notes: Use Opal designs and some Quartz designs that have been adjusted…

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…

“Boulder Opal Bead” by Opals-on-black.com. Licensed under CC By 2.0. Editor’s Note: Some years ago, the International Gem…

…By Donald Clark, CSM IMG 3 minute read Unfinished Ethiopian opal pendeloque, 16 x 16 mm. Photo courtesy of liveauctioneers.com and Dr. Fischer…