I was looting some drops in stillmoon one night for an alt and discovered a problem with the Glowing Chain Helm, Pants, Wristguard and Suede Cap items.
They have no +mana stat which is obviously a bug since every other Glowing piece of armor has mana equal to HP.
Link to chain helm: webtools/items.php?id=119926
Link to chain pants: webtools/items.php?id=119928
Link to chain wrists: webtools/items.php?id=119927
Link to suede cap: webtools/items.php?id=119956