Specification AgeRangeDescription : Adult Brand : HQRP-Crystal BulletPoint1 : You will get one of the Lapis Lazuli Star similar to the ones in the listing, the size and the color of the star may slightly vary as well due to the fact that all minerals are different. (see photo, the photos are taken under bright light!) Average 1 Star Size: 32mm x 19mm / 1 1/4 x 3/4 Inches; Average 1 Star Weight: 15g / 0.53oz; BulletPoint2 : The name is international, from the Latin, lapis, which means stone, and from the Arabic, azul, which means blue. It literally means "blue rock" and is actually a rock rather than a mineral. It is composed of a highly variable mixture of the minerals lazurite, pyrite and calcite. The best Lapis Lazuli is uniformly deep blue in color, being opaque to semi-translucent and consist almost totally of lazurite. BulletPoint3 : Chemical formula: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2; Mohs Hardness: Varies between the 3 of calcite and the 5 to 5.5 of lazurite. In additional, you will get one of the Clear Quartz Cabochon similar to the one in the listing, the size and the color of the cabochon may slightly vary as well due to the fact that all minerals are different. Approximately Size: 31mm x 21mm x 16mm / 1 1/4 x 13/16 x 5/8 Inches; Approximately Weight: 12-22gr / 0.4-0.8 oz. BulletPoint4 : In addition to lazurite, specimens of lapis lazuli usually contain calcite and pyrite. Sodalite, hauyne, wollastonite, afghanite, mica, dolomite, diopside, and a diversity of other minerals might also be present. To be called "lapis lazuli," a rock must have a distinctly blue color and contain at least 25% lazurite. BulletPoint5 : (The above information is provided solely for informational purpose. Kindly note that all stones are offered for decorative purposes only. Please, handle your stones with great care, do not grind or crumble them, do not dip or add them into your food or drink, do not use any parts of them in any elixirs, potions, lotions etc. Always make sure you wash your hands before and after working with your crystals.) ClaspType : No clasp type Color : Blue Lapis Lazuli CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 8900004502499 ExternallyAssignedProductIdentifier1 : 0884667857135 ExternallyAssignedProductIdentifier2 : 884667857135 ItemDisplayDimensions_Length : 25 millimeters ItemName : 32mm Rich Blue Lapis Lazuli w/Golden Iron Pyrite 8 Point Merkaba Star Polished Natural Sparkling Gemstone Crystal Mineral Specimen - Afghanistan (1PC) ItemPackageDimensions_Height : 18.0086 centimeters ItemPackageDimensions_Length : 2.1082 centimeters ItemPackageDimensions_Width : 14.7066 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : sea-glass Manufacturer : HQRP-Crystal Material : Stone ModelNumber : SUNGDV000233 NumberOfItems : 1 PartNumber : WDNRUNE006 ProductDescription : All our minerals and crystals are carefully measured with digital measuring instruments that provide the high accuracy of numbers/values! ProductSiteLaunchDate : 2017-11-09T08:00:00.000Z Size : 2x2 CM Style : Latin SupplierDeclaredDgHzRegulation : not_applicable TargetGender : unisex UnitCount : 1 UnspscCode : 52140000