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Click through to read this amazing story on GIA! I drooled my way through this article.

http://www.gia.edu/gems-gemology/summer-2016-challenges-cutting-large-gem-opal-rough



ABSTRACT

Cutting large gem-quality opal rough poses special challenges not encountered when working with smaller pieces. The author explains the considerations in cutting a 3,019 ct piece of gem-quality white opal that was mined from the Olympic Field in Coober Pedy, South Australia, during the 1950s. Through careful analysis and planning, he was able to extract a single finished gem weighing 1,040 ct, with play-of-color across the entire surface. Named the Molly Stone, it is one of the largest fine gem opals ever cut. This article describes the unique factors involved in maximizing its size and play-of-color.

Thanks for sharing. This hearts for both of you KJ & Pink.

Yes, that was way cool KJ, and thanks so much John! I've never seen one like that before. Way cool on both counts.

TY John! But... I hope you looked inside there before sticking any fingers in!

I did. Lucky we weren't snake bit tho climbing around in back canyon cliff houses.

I was thinking spider!