The Foundoria Journal

Most black rings are a grey metal wearing a black coat, and the coat comes off. Black zirconium is the exception: the colour is the metal's own surface, chemically converted to a ceramic during man...

Worried about fake meteorite rings? This guide walks through the four reliable authenticity markers (the Widmanstätten pattern, magnet response, weight, and natural variation), the signs of imitati...

Muonionalusta is the meteorite with the blue-silver sheen. Formed 4.5 billion years ago, found in the Arctic Circle in 1906, and paired with titanium for a reason. This is what the material is, why...

Gibeon formed 4 billion years ago in the void between planets. Muonionalusta fell to Sweden with a finer pattern and a blue-silver sheen no other material on Earth can replicate. Both are protected...