Lightning Ridge knobby opal formation rough 6.50cts Bright Blues Collect or chase 13x13x9mm Lot B4-A279 ToClear Carat Weight: 3

Carat Weight: 3

South AustraliaType: Seam Opal Rough (Mixed Potch and Colour)Body Tone: Light baseColour Presence: Predominantly potch with scattered bits of colourForm: Natural seam chunks and chipsUse: Beginner-level cutting

40 ctSize: 25 x 12 x 4 mmOrigin: Lightning Ridge

The fire is well-positioned and ready to be exposed and shaped into something special

Lightning Ridge knobby opal formation rough 6.50cts Bright Blues Collect or chase 13x13x9mm Lot B4-A279 ToClear Carat Weight: 3Auction Listing for Bid 4. com Lot Title: Lightning Ridge Knobby Opal Formation Rough 6. 50cts Bright Blues, Collect or Chase Lot Number: B4 A279 Details: Origin: Lightning Ridge, Australia Type: Knobby Opal Formation Rough Carat Weight: 6. 50cts Size: 13x13x9mm Features: Bright Blues showing, suitable to collect or cut. Description: This 6. 50ct Lightning Ridge knobby opal rough features striking Bright Blue colour zones on a solid knobby formation.