4018
| Stony Meteorite, Fell in Holbrook, Arizona in 1912. | Chondrite | |
4019
| Stony Iron Meteorite (polished section), Found in Brenham, Kansas, 1882. | Pallasite | |
4020
| Iron Pyrite | | |
4015
| Witwatersrand conglomerate, South Africa | | |
4016
| Pyrite flowers in shale | | |
4000
| Banded Iron Formation | | |
4021
| Cleavage fragment of gypsum | | |
4005
| Stromatolite, Mount Nelson Formation, British Columbia | | |
4025
| Iron Formation Stromatolite, Biwabik Formation, Minnesota | | |
4003
| "Elephant skin", White Sea deposits of Russia | fossil bacterial mat (cast) | |
4001
| Charnwood forest, Leicestershire, England | Charnia masoni (cast) | |
4004 & 4011
| White Sea deposits of Russia | Charnia masoni (cast) | |
4010
| Jelly (medusa), White Sea deposits of Russia | Cyclomedusa (cast) | |
4014
| Ediacara fossil beds of Australia | Dickinsonia costata (cast) | |
4012
| Ediacara fossil beds of Australia | Dickinsonia lissa (cast) | |
4006
| Jelly (medusa), White Sea deposits of Russia | Eoporpita (cast) | |
4007
| burrowing sea anemone, White Sea deposits of Russia | Niemiana (cast) | |
4008
| Jelly (medusa), White Sea deposits of Russia | Protodipleurosoma rugulosum (cast) | |
4009
| White Sea deposits of Russia | Pteridinium (cast) | |
4013
| Ediacara fossil beds of Australia | Tribrachidium heraldicum (cast) | |
4023
| Nickel-Iron Meteorite, Canyon Diablo Meteor crater, Arizona. | Octahedrite | |
4022
| Banded Iron Formation (slab), Australia | | |
4001
| Charnwood forest, Leicestershire, England | Charnia masoni (cast) | |
