Feldspar Photos  
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

[email protected]     copyright 2016-R.Weller

 
amazonite crystal-2
Florissant, Colorado
A green or bluish green variety of potassium feldspar is called either
amazonite or amazonstone.  Technically, it is microcline, not
orthoclase.
 

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