▲ 48 ▼ Iron oxide on an exposed precambrian rockface (lemmy.today) submitted 1 month ago by Wren@lemmy.today to c/cool_rocks@lemmy.today 2 comments fedilink hide all child comments Taken on the Canadian Shield. I collect the iron oxide chips to grind into pigment for paint.
[–] Wren@lemmy.today [S] 1 point 1 month ago I love oxides and I bet I would love your foundation drainage. permalink fedilink source parent