Unknown

Rock type: 

China, Badaling, Great Wall of China. I didn’t have the patience to find what kind of rocks....

Rock type: 

China, Badaling, Great Wall of China. I don't know what it is.

Rock type: 

China, Badaling, Great Wall of China. I didn’t have the patience to find what kind of rocks....

Rock type: 

Sample 075. Composition - plagioclase up to 80%, reddish-brown mineral - up to 20%, hornblende - less than 1%.