How Do You Make a Crude Idol?

[Daktoria]

The wiki says you need stoneworking and hearth magic, and I just fished up some feldspar while using gneiss and clay before, but it's still not in my curiosities menu under rites and rituals.

[Kaios]

Sounds like you have everything you need so idk, try mining or chipping some feldspar stone instead you may have not gotten the discovery for it through fishing.

[Audiosmurf]

Yeah, I'm 99% sure that fishing up a discarded item doesn't provide the discovery.

[vatas]

However I recall getting discovery when gathering stuff from beach trash.