This count was made on a PS2 PAL version of the game, but through my assessment is identical for all other versions in both regional and console terms. Hope the video/spreadsheet is useful for any runners/casual players!

https://docs.google.com/spreadsheets/d/1v68jkRk3LHtCNo1ypf6MDKE7FAEgE-MkXB6seTnr1Y0/edit?usp=sharing

Alternatively, this link will show you an older not entirely accurate/maintainted guide of ALL crystals and icons in total, if you ever need it:

https://docs.google.com/spreadsheets/d/1rTTLQ4v0V2k4D6Rsn0h3gWr9yERhDk58y197ha5kT4Q/edit?usp=sharing