Product details
100% Natural – Not Treated In Any Way.
Will Make A Gorgeous Ring Or Pendent Accented With Diamonds.
Gem With High Lustre And Good Clarity.
Large Sizes Are Extremely Rare!
A Gem Of Lasting Beauty.
Refractive Index: 1.718 (-.006, +.044)
Hardness: 8
Chemical Comp: MgAl2O4
Density: 3.60 (-.03, +.30)
Crystal Group: Cubic
Spinel: Many Famous Rubies In Crown Jewels Around The World Are Actually Spinels. The Most Famous Is The Black Prince’s Ruby, And The The Timor Ruby, Spinel Was Recognized As A Distinct Gem Variety Only In The Late 19th Century Through Hardness And X-Ray Tests. Until Then Were Mixed With Rubies Due To Similarity In Color And Brilliance. Spectacular Colors Are A Hot Pink And Red. Also Comes In A Range Of Gorgeous Pastel Shades Of Pink Blue And Purple. Cobalt Spinels, Are Very Rare, Found Almost Exclusively In Sri Lanka. Fine Red Spinels Are Now Rarer Than Rubies.
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