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Take a look at the links and you will find places that sell most of what you a re looking for.
Pure abalone is very expensive, but you can get abalone acrylic from Masecraft.

Check out this sticky in the workshop sub-forum
http://straightrazorpalace.com/workshop/18504-welcome-workshop-how-do-i-where-do-i-what-do-i-answers-here.html