If something is smashed to pieces, it's called smithereens. This is a very strong word that is usually used to describe something that is destroyed completely.
The vase was smashed to pieces when he threw it across the room.
The book was smashed to pieces when he threw it across the room.
noun
a collection of small fragments considered as a whole
1
In phrases such as 'to explode into smithereens'.
2
Prefer freeing the guilty to the smithereens of innocents.
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11 is the third official album by the Smithereens.
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The game involves smashing bricks to smithereens.
5
Smithereens have a particularly strong environmental ethic.
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The Spirit then uses a grenade to blow the Octopus to smithereens.
7
I tried to tackle it a moment ago but reduced it to smithereens.
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The Cliffs have been favorably compared with the Smithereens and the Jam.
9
Ah, well, another childhood fantasy gone to smithereens.