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

Roger Weller, geology instructor

wellerr@cochise.edu     copyright 2010-R.Weller 

amazonite crystal-1
Florissant, Colorado
A green or bluish green variety of potassium feldspar is called either amazonite or
amazonstone.  Technically, it is microcline, not orthoclase.


amazonite                                                                                                                                         12
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.