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Ahhh sorry for the late reply. I thought I had replied and now found out I hadn't. South Sweden/Småland is my general area. And yeah I figured they'd probably be from the Varuträsk area. :icon_thumleft: Just not a whole lot of other places you find such fine specimens of tourmaline. (or I just...

I'd be tempted to have such a piece essayed and check out the general area further.

Very nice! I believe the effect in moonstone isn't technically called shiller, but Adularescence.:icon_thumright:

Glass or quartz.

I second what Kray said.

The blue tourmalines are stunning for being from Sweden. We don't get tourmalines all that often. :)

Jasper

Some of them look volcanic. E.g. Tuff.

Looks kinda like a mudstone. I know it had a specific name, but cant remember right now.

Nearly impossible I fear. With over 4000 minerals known to man it's hard even when you can do some typical tests. Microscopic pieces are near impossible to ID for the hobbyist.

Some kind of quartz/chalcedony with inclusions? Break of a small piece - need to see what luster it has.

You'd need to know origin to estimate value.

I second this.:icon_thumleft:

Probably some form of host-rock rich in iron minerals which either gave it this pattern via metamorphosis. Or it's a outside layer related to how water tends to travel on the outcrop, oxidizing the iron minerals. I'd break of a piece and have it essayed for fun. And that way you'll know if this...

Could be a concreation.

I'd be inclined to think glass.

I'm also inclined to think Mica.

I concur. Jasper.

I'm inclined to think Flourite.

Hard to say. A close up picture of the "cement" holding it together would help.