–> 12.01 ct Awe-inspiring Fancy Shape (21 x 16 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone Rare Stone! Unheated / Untreated Multi Color Orgin From Australia 100% Natural Genuine Mined from Earth Gemstone!!! Gem Type Boulder Opal Color Multi Color Shape Fancy Size(LxWxD) 21.25 x 15.73 x 4.15 mm Weight 12.01 ct Hardness 6.5 Luster Excellent Clarity Translucent 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 WithAuctiva’s Counter
