4.00ct Mexican Fire Opal, Modified Round Brilliant Cut Emerald what we know for certain

what we know for certain is that we cut the rough from a bag with mixed material marked "Nevada" put away between 30 and 40 years ago

This piece can be carefully adjusted

26 petit point cabochon cuts (outside decoration)

Gem limonite

bottom of cuff width: 6

4.00ct Mexican Fire Opal, Modified Round Brilliant Cut Emerald what we know for certainFaceted Fire Opal Classification Fire Opal, natural Weight (carats) 4. 00cts Weight (grams) 0. 80g Dimensions (millimeters) 11. 90mm x 11. 85mm x 7. 18mm Dimensions (inches) 0. 5" x 0. 5" x 0. 3" Origin Mexico Shape faceted modified round cut Body Color light orangish yellow Play of Color Description N A Brightness of Color Play ( 1 to 5+) N A Darkness of Body (+1 to 5 ) N A Treatments Enhancements none, natural SKU Number #1076