a topaz

This transparent gemstone is a topaz, of the rare blue variety. Topazes as large as this are quite difficult to cut, since they cleave easily; the jewel-smith who worked on this gem must have been quite experienced, perhaps one of the most skilled Dwarves of Khazad-dum, in order to obtain such a wondrous result.

It is a topaz.
It weighs a couple of ounces.

You identify a topaz.
It weighs two ounces, and it is worth about nine lauren.
Its keywords are topaz, jewel, and gem.