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chocolate and black coloured ironstone
Setting - bezel setting in genuine sterling silver(925)
Queensland Boulder Opals
Displaying predominantly green and blue colouration in a floral pattern
Dimensions - 35
12.2cts - Super Rare Yowah Nut Black Crystal Centre Opal Gold chocolate and black coloured ironstoneQu: Of only 1 in 10,000 nuts produce a crystal centre, how many of those are black? A beautiful and rare Australian Boulder Opal cut from a Yowah Nut with a crystal centre. This stone displays suspended red, blue and green colouration partially framed by ironstone. Cut to a freeform cabochon with a quality finishing polish. *No natural inclusions, a rarity for this formation! Total weight 12. 2cts approx. Area of Mine Yowah, Outback Queensland,
US$ 98.25
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US$ 58.90
US$ 26.00
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