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We should've brought our Topaz. She’d love meeting other Topazes, or is it Topi? Jacob, you're smart, what the plural of topaz?”
"Heck if I know. I didn't even know there was one until now

A Keystone Trip is the sixteenth episode of the Crystal Island Adventures miniseries.


Jacob and some of the Crystal Island engines take a trip to the Keystone Railway.


Characters Introduced


  • This is the first episode for several things:
    • The first to show different types of the same gem (Ex. the different Topazes, Mookaite, Tsavorite, etc.)
    • Tsavorite's first physical appearance