500cts of Lightning Ridge Knobby/ Knobby splits & formations Some bits of colour to go at but not cutters !!! 20mm to chip size Lot B4-A527 wk_end_auction typical of high-grade crystal material

typical of high-grade crystal material

Lot Title: Dark Base Opal Rough – 6

the size and bar position require thoughtful cutting

South AustraliaType: Crystal Seam Opal (Rough)Body Tone: Light base crystalPlay-of-Colour: Pinfire flashes of blue and greenForm: Stacked bars with potential colour exposureUse: Cutting

500cts of Lightning Ridge Knobby/ Knobby splits & formations Some bits of colour to go at but not cutters !!! 20mm to chip size Lot B4-A527 wk_end_auction typical of high-grade crystal materialLot Title: 500cts Lightning Ridge Knobby Rough & Splits Bits of Colour, Not for CuttingLot Number: B4 A527 Details: Weight: 500. 00 carats (parcel lot) Size Range: Approx. 20mm down to chip size Origin: Lightning Ridge, NSW Type: Knobby rough, splits, and formations Colour: Scattered bits of colour present Untreated natural material Not suitable for standard cutting sold as a gamble specimen mix Description: A large 500ct parcel from Lightning Ridge