sciencehasmyheart:

This is my favorite textbook picture.
Mineralogy and Optical Mineralogy
Copyright Dyar, Gunter, and Tasa 2007

sciencehasmyheart:

This is my favorite textbook picture.

Mineralogy and Optical Mineralogy

Copyright Dyar, Gunter, and Tasa 2007

(Source: forscientificpurposesofcourse, via greatmindsofscience)