Chunk of black Seam opal to cut & polish 14.20cts Lighting Ridge Greens/Blues on Black baby cut some profit 20x14x12mm Lot B4-A678 wk_auction This opal formation rub rough

This opal formation rub rough from Lightning Ridge showcases nice green and blue fire tones

This Coober Pedy light base seam opal rough parcel contains potch with bits of colour

⚠️ Grade B Cutter’s RoughColour visible – moderate risk

offering strong cutting potential — but there’s some clay/sand host that needs to be worked around

Compact and colourful with that signature Ridge glow — may reward a careful hand and sharp wheel

Chunk of black Seam opal to cut & polish 14.20cts Lighting Ridge Greens/Blues on Black baby cut some profit 20x14x12mm Lot B4-A678 wk_auction This opal formation rub roughLot Title: Lightning Ridge Black Seam Opal Rough 14. 20cts Greens Blues on Black Grade A to BLot Number: B4 A678Details: 20x14x12 mm 14. 20cts Lightning Ridge Black Seam Opal RoughDescription: Chunk of black seam opal rough from Lightning Ridge, weighing 14. 20cts. Gorgeous greens and blues glowing on a true black base this is the material cutters dream of for high value stones. Cut and polish your profit from this stunning piece! Grade A to B strong