Model, Edge Dislocation Crystal, contains 156 - 1 inch balls, Two main types of dislocation exist: edge and screw, found in real materials typically are mixed, Dimensions: 36 x 24 x 12 in, Weight: 10 lbs
Model, Graphite II (Hexagonal) Crystal, a low temperature dimorphic form of carbon, belongs to the hexagonal crystal system. Various physical properties may readily be explained from its structure, Dimensions: 24 x 2
Model, Magnesium Crystal, is a chemical element with symbol Mg and atomic number 12, It is a shiny gray solid which bears a close physical resemblance to the other five elements in the second colum, Dimensions: 15 x
Model, Olivine Crystal, is a magnesium iron silicate with the formula (Mg+2, Fe+2)2SiO4, Thus it is a type of nesosilicate or orthosilicate, contains 109 - 1 inch balls, Dimensions: 38 x 30 x 20 in, Weight: 9 lbs
Model, Pyrite Crystal, The mineral pyrite, or iron pyrite, also known as fools gold, is an iron sulfide with the chemical formula FeS2, metallic luster and pale brass-yellow, contains 40-1 inch balls, Dimensions: 24 x