A shell collector is called a conchologist.
A rock collector is generally referred to as a rockhound.A person who studies the science behind rocks is called a petrologist.
The outer-most shell of an atom is called the valence shell. It is involved in forming chemical bonds with other atoms.
Valence shell
Electron Shells
The membranes that line the inside of the shell are the inner membrane and the outer membrane. While the membrane surrounding the yolk is called the Vitelline membrane the two on the inside of the shell are not specifically named.
A shell collector is called a conchologist.
A collector of thimbles is called a digitalbulist
A Key collector is called a copoclephilist
A marble collector. lol
Um, it should be called a coloring book collector.
A teddy bear collector! jk, i didn't know there was one. A person who collects teddy bears is called an Arctophile.
Cigarette Pack Collector.
A collector of certificates, a certificate enthusiast!
A coin collector? That is what a numismatist means is a collector of coins.
there is no scientific name for it .it is just a badge collector.
Rich. (correction) Not all car collectors are rich........... A person who collects cars is called a "Collector Car Buff"
A crab's shell is called a carapace.