Fig. 204 - Dana sets of wooden crystal models3D ModelNoAI
Fig. 204 - Dana sets of wooden crystal models
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Triangles: 140
Vertices: 72
More model informationII. Tetragonal system
1. Ditetragonal-Dipyramidal class - 4/m 2/m 2/m
Figure 204. First-order dipyramids {111} {115} and prism {110}; second-order dipyramids {011}, {015}, {021}, base {001} - Octahedrite
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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