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

Shiny blackrock? : r/whatsthisrock

Shiny black inclusions? : r/whatsthisrock

I occasionally find these shiny black rocks on the beach in South

Black glassy rock spotted with white : r/whatsthisrock

Shiny blackrock? : r/whatsthisrock

Found this shiny black rock while snorkeling in the Bahamas… what

Can anyone identify the shiny black bits in these rocks with

UPDATE* Big shiny metallic rock is strongly attracted to magnets

Shiny Scaly Black Rock Found in NY : r/whatsthisrock

Can anyone identify the shiny black bits in these rocks with

UPDATE* Big shiny metallic rock is strongly attracted to magnets

help please, anyone know what this shiny black rock with sparkles

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

Shiny black inclusions? : r/whatsthisrock