SSAR08T5.3 Gram Rough Australian Opal-Allan's Rise-Coober Pedy
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In 2009 I came home from Oz with a lot of opal from Allan's Rise. Much of this opal had an iron oxide coating, which is common at Allan's Rise, that obscured the play of color. So I spent a few days cleaning this opal up and facing a number of rough Allan's Rise opals on the flat lap.
This particular stone was a huge surprise! Today (1/1/2018) I found 2 Allan's Rise stones while doing year end inventory and decided to run them a bit further on the flat lap...boom...explosive play-of-color appeared. Black opal from Allan's Rise with a unique ocean shore-like pattern...lovely, lovely one-of-a-kind stone...and the fire just gets better (as can be seen on the side photos) as you grind down a bit.
Dimensions: 41mm x 21mm x 4.08mm thick. 5.3 grams. Scale=20mm.
Category: Rough Opals > Coober Pedy Opals > Single Stones