Specification Brand : Frey Scientific BulletPoint : Sodium sample - for collection BulletPoint1 : GREEN SLATE | Slate is very lightly metamorphosed and well-foliated. This appearance often makes it difficult to distinguish from its parent rock, shale. The two can be told apart by the difference in pitch when struck BulletPoint2 : GREAT FOR GEOLOGY CLASSROOMS | Ideal for identification & classification exercises. Slate is perfect for lessons on metamorphic rocks and alteration BulletPoint3 : GEOLOGIST SELECTED | Each specimen is selected and hand processed by an actual geologist, ensuring each sample exhibits defining features BulletPoint4 : LOCALLY PROCESSED | Our rock and mineral samples are sourced from a variety of locations around the world and are processed in Rochester, NY BulletPoint5 : INDIVIDUALLY PACKAGED & LABELED | Each specimen sample is packaged in a transparent bag, and is labeled & barcoded for easy identification ExternallyAssignedProductIdentifier : 7415232956460 ExternallyAssignedProductIdentifier1 : 0885634325671 ExternallyAssignedProductIdentifier2 : 885634325671 ItemDisplayDimensions_Length : 190 millimeters ItemDisplayWeight : 800 grams ItemName : Frey Scientific Choice Preserved Crayfish, 3 - 4 in, Pack of 10 ItemPackageDimensions_Height : 2.5 inches ItemPackageDimensions_Length : 2.5 inches ItemPackageDimensions_Width : 2.5 inches ItemPackageQuantity : 10 ItemShape : Rectangle ItemTypeKeyword : science-classroom-specimens Manufacturer : Frey Scientific Material : Slate NumberOfItems : 1 PartNumber : HESNG0086 ProductDescription : Frey Scientific Choice Preserved Crayfish of size 3 - 4 in is matured and specimens of best quality with over all length doubled, sold as 10 per pack. ProductSiteLaunchDate : 2020-07-08T15:27:28.725Z Size : 190*100*32MM SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable TargetGender : unisex UnspscCode : 60140000