Fig. 231 - Dana sets of wooden crystal models3D ModelNoAI
Fig. 231 - Dana sets of wooden crystal models
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Triangles: 16
Vertices: 10
More model informationII. Tetragonal system
5. Tetragonal-Trapezohedral class - 422
Figure 231. Tetragonal trapezohedron {hkl}
Dana sets of wooden crystal models, arranged by the late Professor William E. Ford to illustrate Dana’s Textbook of Mineralogy 4th edition (1932), originally produced by Dr. Krantz Rheinisches Mineralien-Kontor (Bonn).
Website: http://geology.uaic.ro/muzee/mineralogie/
Concept & 3D-modelling by Andrei Ionut APOPEI
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