Ocean Jasper Collection 
Cochise College    

Geology Home Page



                         

Ocean Jasper Photos
A Tribute to a Highly Varied Gemstone
Asterisks indicate favorites.

last edited:  5/9/17    number of photos: 91

 

Special note: to see a selection of ocean jasper photos,

 go to Google images, type: Roger Weller ocean jasper


Any photo that you click on is an amazing pattern.
Ocean jasper is a silicified obsidian or rhyolite. 
The small orbs are related to
lithophysae.
View of an unaltered spherulitic obsidian                                                 
This gem material comes from the northwestern
coast of Madagascar.

close up views
1*   2*   3   4*   5*   6   7   8*   9   10   11   12   13   14*   15   16               
17   18   19   20  21   22   23*   24*   25   26*   27   28   29*   30  
31*   32   33   34*   35 36  37  38 39 40*   41 42  43  44 
45 46  47  48 49  50 51 52  53 54  55  56 57 58 59 
60 61 62  63  64  65  66  67  68 69 70 71 72 73  74 
75  76  77

small polished pieces
1 2   3   4*   5                                                                                          

shaped pieces
1  2  3  

cabochons
1  2  3  4  5  6

Photos are copyright free for non-commercial educational uses. 
Just credit photos to R.Weller/Cochise College.  
  
copyright 2015-R.Weller
Roger Weller, geology instructor  (
wellerr@cochise.edu )