Alexander Girard’s photos
Pyrite Cube, Natural formation NOT man made.
<3 Richard England
Tamae Mizukami
Maryam Nassir Zadeh
Jonathan Gardner
libutron:

Plumbogummite with Pyromorphite and Quartz | ©Fabre Minerals
Yangshuo Mine, Guangxi Zhuang, China.
Jurriaan Schrofer - Feiea, Congres 1958