6.65 ct Eye-catching Fancy (29 x 8 mm) Multi Australian Koroit Boulder Opal

–> 6.65 ct Eye-catching Fancy Shape (29 x 8 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) 28.75 x 7.87 x 4.73 mm Weight 6.65 ct 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 WithAuctiva’s Counter

Natural Tanzanite Cabochon 6.65ct – Blue‑Violet Oval, Estate Gemstone

The gemstone displays translucent clarity with VS–SI internal characteristics, typical of genuine cabochon‑grade Tanzanite and adding to its natural appeal. Sourced directly from Tanzania, the only known origin of Tanzanite, this cabochon was acquired from an estate collection and retains its original, unenhanced beauty.