23.16ct Koroit Boulder Matrix Opal | #E276

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Koroit Boulder Matrix Opal Weight 23.16 carats Origin Koroit Mining District, Queensland, Australia Shape Freeform Pear Cabochon Dimensions (millimeters) 29.80mm x 13.59mm at wides t part x 7.67mm at thickest part Dimensions (inches) 1.17" x 0.53" at widest part x 0.31" at thickest part Body Tone (+N1 to N9-) N/A - Boulder Opal Brightness (-1 to 5+) B8 Predominant Colors Blue and green dominant overtones with faint red, orange and yellow pinfire Directionality of Fire Slightly Directional Treatments / Enhancements None Suggested Purpose Pendant/Ring Sku Number #E276 Additional Notes White matrix forms some abstract shapes like a man's face, jellyfish, dragon's tail or seahorse. Show more