This item is marked as inactive, which means it is probably not in the current version of the game (but maybe it used to be). Inactive items do not show up in searches.
Burlap Spider Fang Necklace
Magic
Neck
+1 Poison Resistance
A necklace made from the polished fangs of giant spiders.
This is up-to-date with the current patch (0.15.652 - 6 days old)