Natural Gems Only: 100% Earth Mined No Synthetics, No Simulants Full Disclosure of Any Treatments * MM size is the best measurement to select the right gemstone size. All gem carat weights are approximate. 100% Satisfaction Guarantee - Superior Quality - Free Matching Service Comments: Extra fine gem quality - displaying high color play, excellent clarity, cut and polish with a beautiful outline and make. Extremely clean, like pure droplets of water, radiating an ethereal internal play of color. Super lovely and rare to find on the market. Gemstone Report Natural Rainbow Moonstone Species: Orthoclase Feldspar Shape/Cut: Round Cabochon Clarity: Clean Color: Extra Fine Rainbow Color Play Polish: Excellent RI: 1.518-1.526 Specific Gravity: 2.58 Hardness (Mohs): 6-6.5 Treatment: None Origin: Sri Lanka Guarantee With this gemstone we guarantee all grading, treatment disclosure and competitive pricing. We believe in and follow full treatment disclosure of our gemstones. 100% satisfaction guaranteed. We back this gemstone with a no questions asked 30 day return policy. All of our gemstones are inspected, evaluated, and screened by a GIA Certified Gemologist to guarantee quality and accuracy in grading. Listing and template services provided by inkFrog