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
Model, Rutile Crystal, is a mineral composed primarily of titanium dioxide, TiO2, Rutile is the most common natural form of TiO2, Brookite, an orthorhombic mineral, Rutile 52 contains - 1 inch balls, Dimensions: 20 x
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, Sodium Chloride Crystal, also known as salt or halite, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions, Sodium Chloride contains 64 - 1 inch balls,
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