Abyssal Bloodiron: replicates cold iron, bonus to confirm crits. PH
Adamantine: bypasses /adamantine damage reduction, ignores hardness 20 and below when used to sunder items. DMG
Aurorum: restores itself if sundered. BoED
Baatorian Green Steel: enhancement bonus to damage. A&EG
Blueice: Slashing weapons deal bonus damage. FB
Bronzewood: reduces weight. A&EG
Byeshk: deals bonus damage with bludgeoning weapons, bypasses the damage reduction of daelkyr. ECS
Calomal: overcomes the damage reduction of creatures with the fire subtype. MoE
Crystal, Deep: deals bonus damage by channeling power points. EXH
Darksteel: deals bonus electricity damage. MoF
Dlarun: deals bonus frost damage. MoF
Dragonbone Bow: increases the range by 20' and makes the bow composite. Draco
Dragonfang: grants an enhancement bonus to attacks and energy damage of the respective dragon as an extraordinary ability. Draco
Duskwood: steel weapons weigh half as much. MoF
Fever Iron: deals bonus fire damage. MoF
Flametouched Iron: weapon is considered good-aligned. ECS
Frystalline: weapon is considered good-aligned. BoED
Gehennan Moghuth-Iron: penalty to attack and damage, but naturally poisonous. A&EG
Glassteel: makes hidden weapons harder to spot. RoF
Gold, Alchemical: increases the damage dice of a weapon.* MoF
Hizagkuur: deals bonus electricity damage. MoF
Iron, Cold: bypasses /cold iron damage reduction. DMG
Mournlode, Purple: overcomes undead damage reduction as silver or cold iron. MoE
Pandemic Silver:replicates silver, creates a 30 ft. aura of fear when unsheathed in windy conditions. CW
Pearlsteel: reduces the penalties of using a weapon underwater. SW
Platinum, Alchemical: increases the damage dice of a weapon.* MoF
Riedran Crysteel: deals bonus damage to psionic creatures. ECS
Rimefire Ice: deals bonus cold damage. FB
Silver, Alchemical: bypasses /silver damage reduction, reduces weapon damage. DMG
Serren: adds the ghost touched property. BoED
Solarian Truesteel: bonus to confirm crits. BoED
Starmetal: replicates adamantine, but deals extra damage to extraplanar creatures. CAr
Stygian Ice: chance to break when dealing damage, deals bonus cold damage and chance to deal WIS damage on hit. FB
Targath: overcomes the damage reduction of Aerenal deathless, reduces attack and damage. ECS
Thinaun: absorbs the souls of those who die while touching the weapon, and prevents their resurrection unless the caster has the weapon at hand. CW

*these materials make a weapon "heavy" and require exotic weapon proficiency to wield.