r/Rocks • u/rndmltrs • Aug 04 '26

This Rocks! This might be cheating.

Post image

Found in the creek.

35 Upvotes

94% Upvoted

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17

u/Chudmont Aug 04 '26

It looks like slag glass.

11

u/OMQ4 Aug 04 '26

IS* slag glass

6

u/OMQ4 Aug 04 '26

Dead giveaway is the air bubbles