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I'm in need of help. I'm trying to made a single grain of sand in cycles following this reference:

Reference of a grain of sand

I can see that the material needs to be sorta like glass, but with a lot of irregularities in its surface. I'm really struggling to get that sort of SSS look the material has. I'm completely sidetrcked by the principled shaders (BSDF and Volume) and i'm not reallly sure what changes when I change any value.

Can you please help me?

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