Agree with Eftihis. This entire area was a hodge-podge of multiple Caucasian, Turkish and Greek styles. Although it gave rise to peculiarly idiosyncratic weapons, which is a topic in its own right.
When the Auctions Imperial sale is over, I might bring some examples :-)
And as to dating of Islamic objects, I found nothing better than that:
http://www.oriold.uzh.ch/static/hegira.html