Model, Calcite (1/2 unit cell) Crystal, is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3), The other polymorphs are the minerals aragonite and vaterite, includes 66 1 inch balls, Dimen
Model, Tulip Flower (Tulipa gesneriana), Enlarged 3x life-size, 2-part, Family: Liliaceae Monocotyledonous, are characterized by underground stems called bulbs that vegetatively reproduce, Dimensions: 23 x 24 x 52cm, weight: 0.4 kg