Item:Xenomite and cambrinth World Dragon pendant biting empty space

xenomite and cambrinth World Dragon pendant biting empty space
Look:	Wrought in reverent detail upon a backdrop of grey-black with red highlights, purple-tinged dark stone forms the legendary dragon's visage, its insatiable maw designed to hold a single gem. An empty gem setting mars the pendant's appearance slightly.
Weight:	2 stones
Metal:	Unknown
Appraised Cost:	4,062,500 Kronars3,250,000 Lirums <br />2,931,500 Dokoras <br />4,062.5 LTBpoints <br />4,062.5 Tickets <br />4,062.5 Scrips <br />
Properties:	This item is magical. This item has cambrinth in it and will hold up to 275 mana. This item is worn in the neck slot.
Dimensions:	1 length x 1 width x 1 height
Sources:	Source is Canvas sack pinned with an icesteel dragon

You think that to put a gem into the socket, you need to PUT the gem in the pendant.
You also think that in order to get a gem back out, you can GET the gem FROM the pendant again while holding it.
You think you can also RUB, TAP, TOUCH and CLEAN the pendant.
The pendant seems to be missing a gem.

Verb	Actions
PUT	First Person: You carefully set the [gem] into the pendant, pushing the tiny prongs to hold it in place, and you end up with a xenomite and cambrinth pendant of the World Dragon biting a [gem].
No messaging for second person.
Third person messaging needed.