Grey Base Seam opal rough 5.50cts Crystal bar carrying some blues 19x12x5mm Lot B4-A213 wk_auction just the final touches

just the final touches

this piece holds the potential to produce an outstanding finished gemstone

but no clear depth or formation

Amber-toned crystal knobby material

Grey Base Seam opal rough 5.50cts Crystal bar carrying some blues 19x12x5mm Lot B4-A213 wk_auction just the final touchesGrey Base Seam Opal Rough 5. 50cts Lightning Ridge Lot: B4 A213Size: 19 x 12 x 5mmTotal Weight: 5. 50 caratsOrigin: Lightning Ridge, Australia This grey base seam opal rough from Lightning Ridge features a crystal bar carrying some blue fire, making it an interesting piece for cutting or collecting. With its transparent crystal layer and subtle blue play of color, this opal offers potential for lapidaries looking to explore its fire. Natural &