Lightning ridge Dark Base Seam opal formation with clay/sand host rock 11.00cts Bright Greens /.Blues in small bit of bar 15x15x9mm Lot B4-A511 Premium this opal provides versatility

this opal provides versatility

20ct dark crystal opalised wood fossil from Lightning Ridge offers a fascinating mix of natural history and gemstone beauty

totalling 59

A premium piece for cutters or opal lovers seeking quality and size in one

Lot Title: Stack of Lightning Ridge Seam Opal Rough – 13

Lightning ridge Dark Base Seam opal formation with clay/sand host rock 11.00cts Bright Greens /.Blues in small bit of bar 15x15x9mm Lot B4-A511 Premium this opal provides versatilityLot Title: Lightning Ridge Seam Opal in Clay Host 11. 00cts Dark Base with Bright Green Blue BarLot Number: B4 A511 Details: Weight: 11. 00 carats Size: Approx. 15 x 15 x 9 mm Origin: Lightning Ridge, NSW Type: Seam opal rough in clay sandstone host Base: Dark potch base Colour: Bright greens and blues visible in small portion of bar Natural, untreated material Description: This 11ct rough specimen from Lightning Ridge features a dark base seam opal