Precocious Archenemy of Artemis Fowl II
Puzzle 8 of Working From Home Pack
Question
Precocious Archenemy of Artemis Fowl II
Answer
OPALKOBOI
Word Meaning:
OPAL — (mineralogy) A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO₂·nH₂O.
Definitions from Wiktionary.