Olivine Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

wellerr@cochise.edu    copyright 2018-R.Weller 

 
olivine rich sand-1  (5 views)
very fine sand- 30x magnification
Kare Kare, New Zealand
specimens courtesy of Shianne Calouro
 

olivine                                                                                                                                            6894

The green olivine grains are almost gemmy, but too tiny to use.

olivine                                                                                                                                            6899

What is unusual are the white quartz grains.  They are not associated with the olivine
and augite that are derived from the weathering of basalt.

olivine                                                                                                                                            6900
 

The green grains are olivine, the black elongated grains are augite.

olivine                                                                                                                                            6901


olivine                                                                                                                                            6901

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