Any idea what this is?

[Bad_Habit]

Ran some crushed material the other day and this started floating on top of the water....any ideas on what it is or has anyone else seen it before? Thanks for any help, Jay

 

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[Jeff95531]

 

[Bad_Habit]

Lmao... I'm rich

 

[winners58]

could be a Sulfide it floats on the water because its hydrophobic.
maybe some soda ash or something changed the pH and metal sulfides are acting like in a precious metal flotation method.
https://www.911metallurgist.com/blog/gold-flotation
.

 

[Bad_Habit]

Thanks for the info winners58