Ideomorphic seems like it would work for that. Turns out it's actually already a word: having the proper form or shape —used of minerals whose crystalline grow

Ideomorphic seems like it would work for that. Turns out it's actually already a word: having the proper form or shape —used of minerals whose crystalline growth has not been interfered with https://www.merriam-webster.com/dictionary/idiomorphic https://www.merriam-webster.com/dictionary/idiomorphic That seems to fit amazingly well here too.