NATURAL LAPIS LAZULI - 18.41 CARATS - ROYAL BLUE Quantity: 1 PcsReport Number: 2700446Clarity: Opaque, With Natural Mineral Inclusions Characteristic Of Lapis Lazuli.Measurements: 31.40 X 12.51 X 4.82Treatments: Evidence Of Impregnation Treatment Was Identified. The Lapis Lazuli Has Been Treated With An Impregnating Substance To Enhance Stability, Appearance, Or Durability.Origin: Not ReportedRefractive Index: Not ApplicableSpecific Gravity: Approx. 2.70–2.90 (Typical For Lapis Lazuli)Spectroscope Analysis: No Diagnostic Absorption Spectrum Applicable To The Aggregate Material; Features Depend On Constituent Minerals.Fluorescence: Variable, Generally Weak Or Inert.Comments: The Elongated Oval Cabochon Exhibits A Strong Royal-Blue Colour With Natural Mineral Inclusions Characteristic Of Lapis Lazuli.Conclusion: This 18.41-Carat Lapis Lazuli Displays A Strong Royal-Blue Colour Within An Opaque Body, With Natural Mineral Inclusions Characteristic Of The Material. Evidence Of Impregnation Treatment Is Present. Condition: Good - Refer To Images 0488987+58
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