Stannern meteorite
Stannern meteorite is a type of achondrite belonging to the HED meteorite, originating from asteroid 4 Vesta. The meteorite fell around 6am on May 22, 1808, in the village of Stona ř ov in Moravia, Czech Republic today. These meteorites are mainly composed of silicate minerals such as pyroxene and plagioclase, similar to basalt on Earth. The total weight of the meteorite is about 52 kilograms, with the largest fragment weighing 6 kilograms. This is the largest fragment preserved in the Vienna Museum of Natural History.