Country State Classification Source WallNo Centennial Commercial Location surroundPic
Mexico   Basalt Puebla State 5RB37   ? Front Face (South) Dscf0088.jpg
No 5RB37 is:

Description

nearly black
fine grain
coarsely vesicular


ARCHIVE STONE NOT AVAILABLE

Actual Picture from the Stone Wall: /mid2000/5rb37.jpg (63575 bytes)