| Kainsaz | |
| Type: | Chondrite |
| Class: | Carbonaceous chondrite |
| Clan: | CM-CO |
| Group: | CO3.2 |
| Subgroup: | 3 |
| Shock: | 2 |
| Country: | Russia |
| Region: | Kainsaz, Muslyumovo, Tatarstan |
| Lat Long: | 55.4333°N 68°W |
| Observed Fall: | Yes |
| Fall Date: | 1937-09-13 |
| Strewn Field: | Yes |
| Image2 Caption: | This partial slice has fusion crust along 2 edges and weighs . |
Fifteen pieces of the Kainsaz meteorite were seen to fall near Kainsaz, Muslyumovo, Tatarstan on September 13, 1937.[1] The largest weighed, the total weight was ~.[2] [3] pieces were on sale for ~/g. Kainsaz is the only observed fall in Tatarstan.
A fireball was observed which left a dust train and broke into fragments during flight in a series of detonations that were heard up to away.[1] The strewn field of 40x was oriented SE-NW with the largest stone falling at the NW end,[1] the smallest (the size of a nut) near the village of Kosteevo at the SE end.[1]
Most of the chondrules (90 %) are either droplet (39 %) or lithic (61 %). The remaining 10 % are barred olivine, radial pyroxene, cryptocrystalline, glassy, sulfide-metal, micro-poikilitic and complex chondrules.[4]
Kainsaz is classified as a CO3.2. This stands for CO group, petrologic type = 3, and subtype = 2. The group is part of the CM-CO clan and a member of the carbonaceous chondrites.