Calcite Is The Most Common Mineral Next To Quartz. Optical Calcite Is Less Common. It Is Shaped Sort Of Like A Rectangle Which Has Been Stretched (A Rhombohedron). It Is Clear With A Glassy Luster And Makes Objects Placed Behind It Appear Double (Due To Different Indices Of Refraction Of Light It Ha..
From The Manufacturerkids Are Digging For The Real Thing In These Excavation Kits. 5 Genuine Rocks And/Or Crystals Are Embedded In Each Block Of Gypsum. Once Dug Out, They Can Be Identified From The Rocks Pictured On The Package.FeaturesChisel And Brush IncludedIncludes 5 Genuine Rocks And/Or Crysta..
Use Digging Tools And A Dusting Brush To Uncover 2 Hidden Rocks And/Or Minerals In This Fun And Simple Kit!FeaturesRock & Mineral Dig Kit Gcl663154SpecificationProduct DetailDimensions 1.3x3.8x3.6Weight 0.02..