Black Crystal Knobby opal rough 9.25cts Skin 2 skin loaded with Bright Royal Blue fires 18x14x10mm Carve or cut your call Lot B4-A731 ToClear Well-shaped light base seam

Well-shaped light base seam

The bar is not clearly defined and remains buried within the nobby body

A clean flat shape with good width makes this one ready to plan and polish

Seam opal rough

00ct dark base knobby opal rough from Lightning Ridge with green fire flashes appearing in an exposed bar area

Black Crystal Knobby opal rough 9.25cts Skin 2 skin loaded with Bright Royal Blue fires 18x14x10mm Carve or cut your call Lot B4-A731 ToClear Well-shaped light base seamLot TitleGrade AB Carvers Cutters Rough Black Crystal Knobby with Royal Blue Fire Lot NumberB4 A731 DetailsWeight: 9. 25 ctSize: 18 x 14 x 10 mmOrigin: Lightning Ridge, AustraliaType: Black Crystal Knobby Opal RoughUse: Carving or CuttingColour: Bright royal blue Description#Grade AB carvers cutters rough from Lightning Ridge. This black crystal knobby is loaded with royal blue fire flashing from skin to skin. Clean colour zones show across multiple