Black/Dark Crystal Seam opal formation rough 5.75cts Gorgeous Bright Green/Blue dominant M.fires 18x3x5mm Lot B4-A754 wk_auction this opal offers great potential

this opal offers great potential for lapidaries and collectors alike

com and secure this fiery treasure

but untested inside

00ct Coober Pedy seam opal features attractive blue colour play across a clean light base

Black/Dark Crystal Seam opal formation rough 5.75cts Gorgeous Bright Green/Blue dominant M.fires 18x3x5mm Lot B4-A754 wk_auction this opal offers great potentialLot Title#Grade B Cutter Bright Green Blue Multi Fire Dark Crystal Seam Rough (Lightning Ridge) Lot NumberB4 A754 DetailsWeight: 5. 75 ctSize: 18 x 3 x 5 mmOrigin: Lightning Ridge, AustraliaType: Black Dark Crystal Seam Opal RoughUse: Cutting RoughColour: Bright green blue dominant multi fire DescriptionBeautiful Lightning Ridge dark crystal seam opal rough with bright green and blue dominant multi fire across a thin formation. The colour is vivid and