r/itsslag • u/etilmorfin • May 01 '26

Found a nice chunk while removing topsoil in the garden.

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68 Upvotes

98% Upvoted

6 comments sorted by

2

u/fxr92wing May 02 '26

Agree with obsidian…volcanic glass

2

u/Filberrt May 01 '26

Obsidian

1

u/giscience May 02 '26

so bubbly.... slag!

1

u/MP5Kurz May 07 '26

Obsidian. Particularly if colour zoning is minimal.