I was asked if Beryl was more difficult to tumble than Topaz (Mohs 8).
I'm not familiar with all the different types of Topaz, but, relative to Imperial Topaz from Brazil: Beryl from NH is exponentially more challenging.
Even though topaz also has banded inclusions-they usually don't fracture. While you can frost the topaz edges if you polish them without enough cushioning...they are not nearly as prone to chipping.
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