Kemialliskeston
Kemialliskeston is a term that appears to be a portmanteau, potentially combining elements related to chemistry ("kemiallinen" or "kemiallinen") and stone or rock ("kivi" or "kivinen" in Finnish). However, it is not a recognized scientific or technical term in chemistry, geology, or any other established field.
It is possible that "kemialliskeston" is a neologism, a coined term, or a misspelling. Without further context,
If "kemialliskeston" is encountered, clarification from the source where it was found would be necessary to