▁amongst ▁the ▁upper ▁e ch el ons , ▁manif ested ▁in ▁the ▁creation ▁of ▁op ul ent ▁and ▁fin ely ▁wr ought ▁objects ▁in ▁the ▁decor ative ▁arts , ▁including ▁car ved ▁rock ▁cry stal , ▁l ust re ware ▁and ▁other ▁cer am ics , ▁wood ▁and ▁iv ory ▁car ving , ▁gold ▁j ew el ry ▁and ▁other ▁metal ware , ▁text iles , ▁books ▁and ▁coin age . ▁ ▁These ▁items ▁not ▁only ▁reflected ▁personal ▁wealth , ▁but ▁were ▁used ▁as ▁g ifts ▁to ▁cur ry ▁favour ▁abroad . ▁The ▁most ▁pre cious ▁and ▁valuable ▁objects ▁were ▁am ass ed ▁in ▁the ▁cal i phal ▁pal aces ▁in ▁al - Q ah ira . ▁In ▁the ▁ 1 0 6 0 s , ▁following ▁several ▁years ▁of ▁dr ought ▁during ▁which ▁the ▁arm ies ▁received ▁no ▁payment , ▁the ▁pal aces ▁were ▁system atically ▁lo oted , ▁the ▁libraries ▁largely ▁destroyed , ▁pre cious ▁gold ▁objects ▁m elt ed ▁down , ▁with ▁a ▁few ▁of ▁the ▁tre asures ▁dispers ed ▁across ▁the ▁medieval ▁Christian ▁world . ▁After wards ▁F at im id ▁artifact s ▁continued ▁to ▁be ▁made ▁in ▁the ▁same ▁style , ▁but ▁were ▁adapted ▁to ▁a ▁larger ▁popul ace ▁using ▁less ▁pre cious ▁materials . ▁ ▁Rock ▁cry stal ▁e wers ▁Rock ▁cry stal ▁e wers ▁are ▁pitch ers ▁car ved ▁from ▁a ▁single ▁block ▁of ▁rock ▁cry stal . ▁They ▁were ▁made ▁by ▁Islam ic ▁F at im id ▁art is ans ▁and ▁are ▁considered ▁to ▁be