金石

Noun

 * 1) metal and stone
 * 2) inscriptions on ancient bronzes and stone tablets
 * 3)  bells and chime stones used in ancient Chinese music
 * 4)  hardness and strength; adamant

Etymology 1
From.

Noun

 * 1)  metal and stone, mineral
 * 2)  (something) very strong, hard
 * 3)  a metal or stone vessel;  a musical instrument made of gold or stone, such as a bell or qing (Chinese stone chime)
 * 4)  a message to posterity engraved in metal or stone; an inscription
 * 1)  a message to posterity engraved in metal or stone; an inscription

Etymology 2
Superficially of.

Noun

 * 1)  andesite volcanic rock of intermediate composition
 * 2)  a stone, a rock
 * , copper mineral
 * , copper mineral