Ramadan: How is Mushafe Fatimeh different from Holy Quran?

In Al Kafi, we find evidence of Mushafe Fatimeh. When the Paygamber Mostapha save died, Angel Jibreail, came to console Lady Fatimeh Ra and also revealed prophecies and other revelations. She Ra, wrotes all these revelations in a book. It is believe that al Mahdi will bring this book and reveal it to the ummah. I just have a few questions.

1. If this book, is the word of Allah SVT, delivered by an Arch Angel (infallible), to an Infallible Lady Fatimeh ra, this book must be infallible, correct? If it is infallible, it is the same as the Holy Quran, correct?

2. Is there any other evidence where it would tell us that the Angel would also reveal to anyone (including Prophets daughter ra) AFTER the last Prophet sav?

3. If the book was infallible, why did the physical book cease to exist? This means that al Mahdi will have to bring new revelation to the ummah, the new book, correct?

Thanks in advance for everything. Oh I just want to make sure you know that Sahih Bokhari and Sahih Muslim and in fact all hadith compilations are not the word of Allah SVT delivered by His SVT Angels. Thanks.
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@ak, yeah, revelations about future events. from Allah SVT... okay.. that's the way it's different then, but what about the other questions? I killed al Hussayn ra ???? Okay, I'll remember that.

Misha Fatima only contains future predictions

Fatima was a human and she died, while the Quran is under Allah protection until the day of judgment. Fatima will be accountable for her actions while the Book is not.

The two are not equal.

Shia don't believe in the present Quran they are waiting for Mushafe Fatimeh.

Anything that does not relate to or oppose Quran is transgressing which may be called as bid.

Angel Cabral (as) comes with revelations only for Prophets.
No book in the world is equal to the '' Holy Quran ''. and regarding Mashaf e Fatima, only shies can give you the answer according to their faith.