13.20 ct Premium Fancy (23 x 14 mm) Play of s Australian Koroit Boulder

13.20 ct Premium Fancy Shape (23 x 14 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone Rare Stone! Unheated / Untreated Play of Colors Orgin From Australia 100% Natural Genuine Mined from Earth Gemstone!!! Gem Type Boulder Opal Color Play of Colors Shape Fancy Size(LxWxD) 22.69 x 13.63 x 5.02 mm Weight 13.20 ct Grade  AAA+ Hardness 6.5 Luster Excellent Clarity  Opaque Treatment :  Unheated / Untreated Origin  Australia RefractiveIndex 1.37-1.47 Specific Gravity 2.1 Clarity Scale IF VVS VS SI I1 Internally flawless; free of inclusions Very, very slight inclusions; inclusions barely seen under 10x magnification Very slight inclusions; inclusions can be seen under 10x magnification Slightly included; small inclusions seen by naked eye Included; inclusions seen with naked eye Track Page Views With Auctiva's Counter

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