Block of Raw Copper uses stone sounds instead of copper sounds

The Bug

The Block of Raw Copper uses the stone sounds instead of the copper sounds despite being a copper block

How to reproduce

1. Place a Block of Raw Copper
   The sound played upon placing the block is a stone sound

Expected results

A copper sound, rather than a stone sound, would be played upon placing a block of raw copper.

Code analysis

Code analysis by [Mod] Avoma provided in this comment.