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This list is woefully inadequate.
Butterfly Agate (the most valuable)
Cats eye (the most common)
Commies- marbles made of clay
Peanut Butter and Jelly
Purie - clear and different colored;
Steelies (all steel of course)
Sizes - Halfpint = larger than average
Perry (you state not sure of spelling) is a Purie which means it's clear and pure. Contributed by Marcie - Thank you!