petrifact means an object made of stone, especially one formed from petrifaction. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
Etymology
From Latin petra (“stone”) + (arte)fact.
noun
- An object made of stone, especially one formed from petrifaction.“The whole scene was littered with petrifacts of different sizes and kinds, enormous trees, weighing tons, bared of their branches, overthrown and turned to stone.”