2 ms·
I assume that 'hard gold' is some sort of alloy, as gold itself is known for being soft (hence the idea of someone biting down on a gold coin to test if it's re
by pyre 12y ago
I assume that 'hard gold' is some sort of alloy, as gold itself is known for being soft (hence the idea of someone biting down on a gold coin to test if it's really gold).
- tesseract 12y agoI believe "bright hard gold" (as it's referred to) contains about 0.2% cobalt and/or nickel.