Fig. 229 - Dana sets of wooden crystal models3D ModelNoAI
Fig. 229 - Dana sets of wooden crystal models
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Triangles: 116
Vertices: 60
More model informationII. Tetragonal system
4. Tetragonal-Scalenohedral class - -42m
Figure 229. Second-order dipyramids {011}, {021}; base {001}, first-order prism {110}, disphenoid {111}, scalenohedron {135} - Chalcopyrite
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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