What are these shiny black rocks? They almost look like glass. Bonus feline formation. : r/whatsthisrock

Can anyone Identify this black glasslike rock for me please? : r

Black Shiny Rock Found at Beach any ideas? : r/whatsthisrock

Shiny blackrock? : r/whatsthisrock

Can anyone Identify this black glasslike rock for me please? : r

Does anyone know what Rock this is. It's quite shimmery. : r

Found at the beach. Slightly heavy, black shiny rock! What is it

UPDATE* Big shiny metallic rock is strongly attracted to magnets

Shiny blackrock? : r/whatsthisrock

I carried this 26lb monster 6 miles so I could ask you guys what

Found two light black rocks in Texas : r/whatsthisrock

Found tons of this black rock on the banks of the peace river in

Formation and 7 Rocks with Vitreous or Glassy Rock Texture

What are these shiny black rocks? They almost look like glass

Can anyone identify the shiny black bits in these rocks with