Specification AgeRangeDescription : Kid Brand : EISCO BulletPoint1 : Diorite sample approximately 1" (3cm) in size BulletPoint2 : Presence of both mafic and felsic minerals make diorite a perfect example of intermediate igneous chemistry BulletPoint3 : Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements BulletPoint4 : Large crystal size accommodates mineral identification with a hand lens BulletPoint5 : Specimen comes in clear labeled and barcoded bag for ideal storage CpsiaCautionaryStatement : choking_hazard_small_parts EducationalObjective : Science ItemName : EISCO Diorite Specimen (Igneous Rock), Approx. 1" (3cm) ItemPackageDimensions_Height : 1.778 centimeters ItemPackageDimensions_Length : 10.922 centimeters ItemPackageDimensions_Width : 7.366 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-classroom-specimens Manufacturer : Eisco ManufacturerMinimumAge : 168 NumberOfItems : 1 OperationMode : Manual PartNumber : ESNG0042 ProductDescription : Diorite straddles the line between mafic and felsic rock chemistry, making it ideal for lessons in bulk chemistry. The minerals within diorite can be readily identified due to their large size, and by comparing the relative abundance of each mineral, a rough chemical makeup can be obtained. This sample is also available in packs of 12. ProductSiteLaunchDate : 2016-07-26T15:26:31.859Z Size : 1 Pack SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable TargetGender : unisex