It's What an Argentiferous Rock Would Contain
This page is the CodyCross answer for the clue below from Treasure Island, Group 1038, Puzzle 5 (Sunken Vessel).
Question is: It's What an Argentiferous Rock Would Contain
and the answer is: SILVER
Word Meaning:
SILVER — (uncountable) A lustrous, white, metallic element, atomic number 47, atomic weight 107.87, symbol Ag.
Definitions from Wiktionary.