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

revealing hints of the bar structure

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

Sand and clay present

The body tone is jet black

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