What kind of stones are these and how do you find them?
I found these stones on the riverbank:
What mineral is this, found in Palma, and is it allowed to be taken on a plane and imported to Germany?
Very soft, it might break if you throw it at other stones. It glitters and feels very white on your hands. I'd love to take it with me… Best wishes.
Does anyone know anything about stones?
A few weeks ago, I found a stone on the sidewalk (probably lost), and I'm wondering what it is. I looked, and my first thought was obsidian or some other volcanic stone. Does anyone know anything about it? By the way, it feels very cold, has slight white spots, and is primarily black to dark…
Which green mineral is this?
I found this stone on the beach a while ago and would like to know what this rock is called. It has very shiny spots and matte parts.
In which types of rock does gold deposit well?
It is no secret that gold is found in quartz sand mines, but what about basalt and lignite?
Which stone is particularly suitable for making fire?
Hello! I bought a striking iron for a small sum at a flea market. Now I want to buy some suitable flints so I can light a fire when I spend the night in a cave (if I'm going to do it, do it right). I heard that different stones are suitable… but which one…
Is this a mineral or fossil?
Size: 1.1 mm Location: Luxembourg Age: Triassic