u/thebloodycorpse

Image 1 — Before and after of these cool banded siltstones

Image 2 — Before and after of these cool banded siltstones

▲ 25 r/RockTumbling

Before and after of these cool banded siltstones

u/thebloodycorpse — 17 hours ago

▲ 4 r/RockTumbling

I think this is blue furnace slag! Revealed itself when tumbled

u/thebloodycorpse — 9 days ago

▲ 111 r/RockTumbling

u/thebloodycorpse — 26 days ago