Knobby & seam opal formations rough 230.00cts some bits of Blues & greens only sand/clay hosts 25mm to chip size Lot B4-A520 ToClear

Knobby & seam opal formations rough 230.00cts some bits of Blues & greens only sand/clay hosts 25mm to chip size Lot B4-A520 ToClearLot Title: Knobby & Seam Opal Rough 230. 00cts Mixed Bag with Bits of Blue & GreenLot Number: B4 A520 Details: Weight: 230. 00 carats (parcel lot) Size Range: Largest approx. 25mm down to chip size Origin: Lightning Ridge, NSW Type: Knobby & seam opal formations Host: Sand clay matrix Colour: Some pieces show blue and green fire Untreated natural material Sold as a gamble Description: Mixed bag of knobby and seam opal rough straight from Lightning

revealing hints of the bar structure

DescriptionSelect parcel of Lightning Ridge cutter’s rough totalling 41cts

Sand and clay present

polish and shaping will reward the skilled

A great parcel for cutters

but the rest of the structure is untested — making this a solid gamble for cutters ready to chase through and explore

This amber knobby split opal rough from Lightning Ridge features faint

The body tone is jet black

Lot Title: Amber Knobby Split – Blue Fire Flashes – Lightning Ridge – 12

South AustraliaType: Seam Opal (Rub/Rough)Body Tone: Light basePlay-of-Colour: Green and blue dominant firesForm: Rubbed face revealing vertical bar structureUse: Precision cutting or slicing

ready to be chased and brought to life

00ct piece of untouched Pea Knobby opal rough from Lightning Ridge shows promising blues through its skin