The Abalone Shell Fragment is an item found in Red Dead Redemption 2.
Description[]
The shell fragment is found in an abandoned house in Rhodes, north of the main street. It is used to craft the Bison Horn Talisman. You’ll only be able to get into the small room on the south side of the house. Head inside and to the workbench on the far side. It will be on your right. The item respawns but cannot be sold.