What are these black shiny rocks in my yard? They are about the size of a nickel : r/whatsthisrock

Identity Help : Please help me ID this rock with black mineral

Any idea what this is? Found two inside a brick, they are quite heavy for the size of them : r/whatsthisrock

Metal rock I found in my Utah backyard when I was a child. Had it shined up at a machine shop when I was young. Any ideas? : r/whatsthisrock

Identity Help : Please help me ID this rock with black mineral

Black rock that sparkles/glistens in the light. Found on the beaches of Delaware. Super light, not very hard. I took it to a lock rock guy and he didn't know anything about

Found at the beach. Slightly heavy, black shiny rock! What is it? : r/ whatsthisrock

What are these black shiny rocks in my yard? They are about the

What is this weird mess I found in my backyard? Black circles are shiny like glass. : r/whatsthisrock

Seeking info on Saturn-shaped rock. Father in law, now deceased, brought this rock back from “out West” possibly Arizona or California in the 1970s. It weighs 8 ounces and is 3 inches

Mystery rocks in California: greenish-black/one with green veins, smooth, won't scratch with steel knife, both of them feel like silk, very heavy and dense. What are they? : r/whatsthisrock

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

Hello, I'm new to the world of rock collecting. These three rocks were found by me in Western Nepal on a riverbank. Would you kindly assist me in identifying these rocks? Thank

What are these shiny black rocks? TreasureNet 🧭 The Original Treasure Hunting Website

Found this shiny, rainbow black rock on NJ beach. Lightweight, marks Grey. Think it's anthracite coal. Can anyone confirm? : r/whatsthisrock