minerals use?

[Nocthyr]

besides completing the collection in the library and giving them as gifts, are there any other uses for minerals?

[Zennock]

Some of the townsfolk developed an exotic taste for them.

[Pixel Peeper]

Marble is actually a crafting material.

But in general, no, Minerals have no use. I remember keeping a few Tigerseyes for Sam, but aside from that, I just vendored every Mineral I'd already donated.

[nanna.ashley]

Some minerals are slightly usefull for other than the museum collection however the majority is not.
A few minerals like quartz, fire quartz or marble are required for crafting a few items. Sometimes minerals (often opals) are requsted as at the pinboard by Pierres, and some are loved gifts (diamonds, rubies are liked (or even loved) by most, and some NPC's love specific gems)

[Pixel Peeper]

Originally posted by nanna.ashley:

Sometimes minerals (often opals) are requsted as at the pinboard by Pierres

Fascinating.

I've often seen standard gems (the ones that have dedicated nodes and often drop randomly) being requested, but never any "geode" minerals. I don't know why Fire Opals would be treated differently from other geode minerals.