Opal bodytone and brightness grading system explained
This video will see the opal body tone and brightness grading system used by opal sellers worldwide. I use real opals to show you a … Read more
This video will see the opal body tone and brightness grading system used by opal sellers worldwide. I use real opals to show you a … Read more
There are two types of rough opal found in Lightning Ridge; nobby opal and seam opal. What are they? And how can you spot them? … Read more
Nowadays, we refer to lots of different types of harlequin pattern in opal. It has become a bit of a catchall phrase for great blocks … Read more
Opal fossils are opals formed in the cavity left underground by an animal that has perished and left the shape of its former self to … Read more
Matrix opal is a treated opal that comes from in Australia. It is defined as opal in host rock. The main field that produces this … Read more
Watch me explaining body tone chart and the brightness scale. This is only a guide to show you how the scales work.
Solid black opal is found mainly in Lightning Ridge in Australia. Black opal is a dark-bodied or a dark tint throughout the opal, making the … Read more
Jelly opal is an opal that has a jelly look to it. It is just like crystal opal but the opal color is a little … Read more