80.77 ct Beginners Rough Opal with Video Tutorials 4 Opal Picks Green and blue colors are

Green and blue colors are the dominant features of this black opal

There is no return or refund on change of mind

It will help you grade your opal with ease - only to be used as a guide

This stone looks especially fetching at night – a perfect companion for diamonds

If you are a good cutter you will double your money on this one

80.77 ct Beginners Rough Opal with Video Tutorials 4 Opal Picks Green and blue colors areStart here if you are new to opal cutting! Along with your rough opal, we will send you a series of video tutorials covering how to set up your equipment, how to get the more our of your parcel and most importantly a series of 4 lessons on how to cut and polish. These videos are exclusive to our customers and are not available anywhere else. Each parcel is individual and you will get the exact opals in the images. You will get potch with no color