One Masterworking upgrade requires:
40 Rawhide, 20 Veiled Crystals, and 5 Coiling Wards
= 8 Rawhide and 4 Crystal per Coiling Ward
Salvage rates for Legendary and Unique gear:
Legendary 750:
Old* 1 Rawhide, 1 Veiled Crystals, and 1 Coiling Wards
New* 8 Rawhide, 4 Veiled Crystals, and 1 Coiling Wards
Unique 750:
Old* 3 Rawhide, 3 Veiled Crystals, and 3 Coiling Wards
New* 24 Rawhide, 12 Veiled Crystals, and 3 Coiling Wards
Legendary 800:
Old* 10 Rawhide, 10 Veiled Crystals, and 10 Coiling Wards
New* 80 Rawhide, 40 Veiled Crystals, and 10 Coiling Wards
Unique 800:
Old* 30 Rawhide, 30 Veiled Crystals, and 30 Coiling Wards
New* 240 Rawhide, 120 Veiled Crystals, and 30 Coiling Wards
Problem solved!