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
Orbit Nitrogen atom, Nm, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, Trigonal bipyramid, Color: Blue
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,
Flexible bond, 90mm (double bonding), Packs of ten 90mm flexible bonds to represent double bonding, Use to supplement your Unit building sets or for building custom models
Orbit Carbon atom, Cb, Atom centres are colour-coded according to element with prongs set at the correct bonding angles, 10 mm diameter atom centre, Allene or Acetylene, Color: Black