Take a look at my blog: Just another test to see uv's mapped texture , less beautifull but show more clearly what's happen : You are be able to transfert UV of your emitter mesh on particles. I use the unused Angular Velocity to retrieve with the Particle Info node in Cycles. Because it's a vector3d and uv is a vector2D , I use the other value to store distance from surface. In this example , I put two different material with the this distance information. This feature is now available by
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