What are the chances that you will find a Red Shard when you use Rock Smash on the beach?

Question

I need 5 for 3 Growlithe and 2 Vulpix

Comments

I just use super training

Answer 1

The Red Shard cannot be found using Rock Smash.
Source

Here are all the places where you can find it.

Hope I helped :)

Comments

So I'll just have to leave it up to super training

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Or get it in the other locations for some