This is pendant is a slice of Muonionalusta meteorite, acid-etched to bring out the details of its crystal structure. It has a 2.5mm wide hole.
The meteorite exhibits an exceptional iron-nickel crystal structure called a Widmanstätten pattern, which only becomes apparent after the meteorite is sliced and acid-etched. The crystal pattern makes each slice from this meteorite unique and uniquely beautiful - a four billion year old gem of the early solar system!"
It was discovered in 1906, and fell about 1 million years ago. This Meteorite is aged about 4.56 Billion years old, and is considered the older Meteorite ever found on Earth.
Location: Norbotten, Sweden
Size: 2.0 x 1.0 x 0.2 centimetres with bail
Weight: 3 Grams