https://classic.wowhead.com/quest=455/the-algaz-gauntlet doesn't show up.

https://classic.wowhead.com/quest=468/report-to-mountaineer-rockgar doesn't appear to be required, as I could pick it up regardless.

After completing https://classic.wowhead.com/quest=468/report-to-mountaineer-rockgar, the Algaz Gauntlet appeared on the map.