Walnut?

Dust.

Mites.

Dust mites.

Carpet.

Crumbs?

A really ugly cardigan?

The start of a conch shell growing.

Animal cookies?

So... apparently, starby's threatened bodily harm... using other channels... if I don't give out hints.

Hint:

This is pretty darn magnified. Closer than that chocolate sprinkle. So... magnifying glass!

I'm afraid, I'm starting to agree with Starby. Help me!

Oatmeal?

Hm. The more and more I look at it, this is uber hard.

I think I'm going to sleep on this one and check back tomorrow... it looks like it's something familiar though... like I've seen something similar before... maybe it will come to me in sleep... night all

A fungus of some sort
??

Fungus.

Looks like we are beginning a mind meld here with Starby and Rebby and Alty and Myth. LOL

A sponge.

Sand? Fossils?

A sea sponge.

Dust mites? Germs?

Fibers.

Doormat!

Cardigan sweater