Square Rainbow Moonstone Cabochon

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Overview Specs Documentation This gorgeous square rainbow moonstone cabochon is from Madagascar. The clear stone radiates warm and cool tones. 6.62 ct Madagascar moonstone 10.7mm x 11.1mm x 7.4mm BIRTHSTONES & ANNIVERSARIES Moonstone is a birthstone for June, along with pearl and alexandrite. Moonstone is also the gemstone for the 3 year wedding anniversary. MINERAL: Feldspar group CHEMISTRY: KAlSi3O8 COLOR: Colorless to White, Gray, Green, Peach, Brown REFRACTIVE INDEX: 1.518 to 1.526 BIREFRINGENCE: 0.05 to 0.008 SPECIFIC GRAVITY: 2.58 MOHS HARDNESS: 6.0 to 6.5 If you need additional information regarding any of our gems or stones please contact us at: [email protected] Show more