Tetragonal System                           
Cochise College                                                                                        
Geology Home Page  
MINERALS and CRYSTALS 

Crystals and Crystal Models    

Roger Weller, geology instructor ( wellerr@cochise.edu )
last edited:  3/22/18    number of photos:  46 


vesuvianite crystal


illustrations
Illustrations from Manual of Mineralogy and Petrology,
by James D. Dana, 1889:  1  2  3  4  5   
also visit:

Textbook of Systematic Mineralogy
by Hilary Bauerman, 1881, 362 pages
    V.  Tetragonal System- page 112
                                                                            

wooden crystal models
   model 10:  1  2
   model 11:  1  2  3
   model 12:  1  2
   model 54-dipyramid:  1
   model 56:  1  2
   model 57-tetragonal prism and basal pinacoid:  1
   model 58-octagonal prism and basal pinacoid:  1
   model 60:  1  2  3
   model 66:  1  2  3  4

   model 69:  1  2  3  4
   model 72-sphenoid:  1  2  3


mineral examples of tetragonal crystals   

   
apophyllite:  1  2  3
    chalcopyrite:  1  2
    scapolite:  1
    scheelite:  1  2
    vesuvianite:  1  2  3
    wulfenite:  1  2  3  4


Photos are copyright free for non-commercial educational uses. 
Just credit photos to R.Weller/Cochise College.
Copyright 2018 R.Weller

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