Model, Screw Dislocation Crystal, is a crystallographic defect, or irregularity, within a crystal structure, strongly influences many of the properties of materials, Dimensions: 36 x 24 x 24 in, Weight: 9 lbs
Model, Aragonite Crystal, is a carbonate mineral, one of the two common, naturally occurring, crystal forms of calcium carbonate, CaCO3, It is formed by biological and physical processes, includes 44 1 inch balls,
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, 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, Wurtzite Crystal, named after the mineral wurtzite, is a crystal structure for various binary compounds, It is an example of a hexagonal crystal system, Wurtzite contains 39 - 1 inch balls, Dimensions: 24 x 2