Was it made by elves?

Was it made by elves? No.

Second Age? No.

Made of stone? No.

Can it be worn? Yes.

Made of metal? Partly.

Particular name? Yes.

Was this object carried by one of the Fellowship? Yes.

A wild shot...Elessar?

If not, was it worn by a hobbit?

Was it carried by Gandalf?

It was not Elessar, it was not worn by a hobbit, and it was not carried by Gandalf.

Hmm, that surely narrows it down ...
 

The only thing that I can think of that fits all of the criteria is the Crown of Gondor, which Aragorn took when he was crowned King Elessar.

Is that it?

did it have several owners?

Is it the standard Arwen made for Aragorn?

Boromir's horn?

If not, was it carried by a member of the Fellowship during the Third Age?

Clever, clever
 

And Firefoot has it! Next time I'll be sure to try something harder... ;)

Ooh...I get to start the asking! :D

Is it living?

First Age?

Is it living? Yes
First Age? No

I didn't want to lose more mithril so I waited...
Is it an object?

Is it an elf?

I think we're all in debt anyway. ;)

Is it an object? No
Is it an elf? No

But still, I don't need to be dragged further down...
I just realized my last question was really stupid... :o
Is it an animal?

A dwarf then?

4th age?

Is it an animal? Yes
A dwarf then? No
4th age? No

A horse?

A horse? No

Third Age?

Is it the fox that wonders about the sleeping hobbits?
( this just popped into my head out of nowhere when I saw that it's an animal... :D )

Third Age? Yes
Is it the fox wonders about the sleeping hobbits? No

Gwaihir or Landroval?

Is it mentioned by name?

Could it speak?

Is it Grip or Fang?

Is it Grip or Fang? No
Could it speak? Yes
Is it mentioned by name? No
Gwaihir or Landroval? No

Is it good?

Is it good? Yes

The thrush that told Bard where to shoot?

Is it a dragon?
Specifically- Smaug?

It is indeed the thrush. Your turn, NightKnight.

Alright, ask on. :)

Is it a person?

Is it a person? No

First Age?

First Age? Yes