Inaccurate?

Protection from Spells

(Player's Handbook v.3.5, p. 266)

Abjuration
Level: Sorcerer 8, Wizard 8, Sha'ir 8, Magic 8, Balance 8, Dwarf 8, Family 8,
Components: V, S, M, AF,
Casting Time: 1 standard action
Range: Touch
Target: Up to one creature touched per four levels
Duration: 10 min./level
Saving Throw: Will negates (harmless)
Spell Resistance: Yes (harmless)

The subject gains a +8 resistance bonus on saving throws against spells and spell-like abilities (but not against supernatural and extraordinary abilities).
Material Component: A diamond of at least 500 gp value, which must be crushed and sprinkled over the targets.
Focus:One 1,000 gp diamond per creature to be granted the protection.
Each subject must carry one such gem for the duration of the spell.
If a subject loses the gem, the spell ceases to affect him.