Orthoclase and Microcline Photos 
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

[email protected]     copyright 2010-R.Weller 

 
amazonite crystals-3
Colorado
A green or bluish green variety of potassium feldspar is called either amazonite or
amazonstone.  Technically, it is microcline, not orthoclase.
 

amazonite                                                                                                                                          70
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.