Dark Base knobby opal rough split 15.00cts Lighting Ridge Small area of bar showing some blues 16x11x9mm & 15x10x9mm Lot B4-A390 Premium 75 ctSize: 30 x 21

75 ctSize: 30 x 21 x 9 mmOrigin: Lightning Ridge

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Type: Black/Dark Base Knobby Opal Rough

Lot: B4-A182Size: 20 x 12 x 10mmWeight: 9

DescriptionLightning Ridge seam opal rough on a grey base with a vertical-style green and blue colour bar

Dark Base knobby opal rough split 15.00cts Lighting Ridge Small area of bar showing some blues 16x11x9mm & 15x10x9mm Lot B4-A390 Premium 75 ctSize: 30 x 21Lot Title: Dark Base Knobby Opal Rough Split 15. 00cts, Small Area of Bar Showing BluesLot Number: B4 A390Weight: 15. 00 carats (total)Dimensions: Piece 1: 16 x 11 x 9 mm Piece 2: 15 x 10 x 9 mm Details: Origin: Lightning Ridge, New South WalesType: Knobby Opal (Rough Split Pair)Body Tone: Dark basePlay of Colour: Small area of blue fireStructure: Split knobby revealing a small exposed barUse: Cutting gamble or specimen for study Description: This 15.