On September 6, 1918, a bright daytime fireball was followed by a series of loud detonations over the countryside around Ryazan Russia. Several stones were eventually recovered and they were noticed to have a grey, friable matrix. It was later classified as an L4 chondrite. It is well known for it's concrete-grey matrix with a wide variety of chondrule types that separate easily.
Refer to the photo. The black centimeter cube is shown for scale and is not included. You are purchasing a few small fragments selected from the larger lot shown. Your purchase will include a labeled gemjar for safe storage.