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, 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, 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, Diamond Crystal, is surrounded by four atoms directed in space toward the vertices of a tetrahedron, The hardness and large density of the diamond, contains 66- 1 inch balls, Dimensions: 24 x 24 x 12 in, Weigh
Model, Alpha- Corundum Crystal, is best known for its gem varieties, Ruby and Sapphire. Ruby and Sapphire are scientifically the same mineral, but just differ in color, Dimensions: 36 x 24 x 20 in, Weight: 8 lbs
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, 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, 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, Carbon Collection Crystal, Set of 3, consisting one of each model, Diamond, Graphite and Buckminster Fullerene, Dimensions: 36 x 36 x 12 in, Weight: 15 lbs
Model, Beryl Crystal, hexagonal, is a mineral composed of beryllium aluminium cyclosilicate with the chemical formula Be3Al2(Si O3)6, Pure beryl is colorless, Beryl contains 256- 1 inch balls, Dimensions: 36 x 24 x 24
Simulator Catheterizing-Model, with interchangeable male and female genital organs as well as interchangeable bladder, in natural size, made of special plastic, Weight: 6 kg, Length: 46 cm, Width: 43 cm, Height: 23 cm
Model, Basic Crystal Structures, Set of 9, is a valuable teaching aid for physics and chemistry, Similar patterns of atomic arrangement reappear in large numbers of different substances, Dimensions: 28 x 20 x 19 in
Model, Physical Eye, can be used to demonstrate the optical functions of the human eye, Half eyeball with adjustable iris diaphragm, lens holder and 2 convex lenses (f = 65 mm and 80mm), on a rod, Dimensions: 49 x 5.5 x 18 cm, Weight: 2.45 kg