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, 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, Cesium Chloride Crystal, is the inorganic compound with the formula CsCl. This colorless solid is an important source of caesium ions in a variety of niche applications, Dimensions: 24 x 12 x 12 in, Weight:
Tectonics Model, provide students with an innovative look at plate tectonics with this hand-painted plastic model, showing detailed representations of the earth layers. Both active and passive margins are shown, Oceanic floor spreading is also well-characterized
Model Homo Sapiens Cro-Magnon 1 Skull, 30,000-32,000 YA, was discovered by L. Lartet and H. Christy on a cliff in 1868 (during the construction of railway lines in Les-Eyzies, France), Size: 21.1L x 15.4W x 18.6H (cm)
Model Homo Sapiens Cro-Magnon 1 Cranium, 30,000-32,000 YA, discovered by L. Lartet and H. Christy on a cliff in 1868 (during the construction of railway lines in Les-Eyzies, France), Size: 21L x 15.2W X 17H (cm)