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, Lesser Celandine Flower (Ficaria verna), Enlarged 10x life-size, 1-part, Family: Ranunculaceae, The family of Ranunculaceae depicts an ancient flower structure. Also known as both the buttercup or crowfoot family, Dimensions: 39 cm, weight: 1.1 kg
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