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stone measurement: 2
isometric crystal system (also referred to as "cubic crystal system")
Mohs hardness: 7
25" Origin Czech Republic Shape faceted oval checkerboard cut Material Grade AAA Colors dark olive green Mohs Hardness 5
The Outer Measurements: 6
4.45ct Koroit Boulder Opal | #E20 Hiddenite stone measurement: 2Koroit Boulder Opal Weight (carats) 4. 45cts Origin Koroit Mining District, Queensland, Australia Shape Oval Dimensions (millimeters) 19. 04mm x 9. 12mm x 3. 47mm Dimensions (inches) 0. 75" x 0. 33" x 0. 1" Body Tone (+N1 to N9 ) N A Brightness ( 1 to 5+) B4 Predominant Colors Green Directionality of Fire Somewhat Directional Treatments Enhancements None Suggested Purpose Ring Pendant Sku Number #E20 Additional Notes None
