4 ms·
Diamonds are industrially useful but calling them "precious stones" or "permanent" has always seemed silly to me. They literally burn up if you heat them in an
by dreamcompiler 7y ago
Diamonds are industrially useful but calling them "precious stones" or "permanent" has always seemed silly to me. They literally burn up if you heat them in an oxygen atmosphere. Most rocks don't do that.
- Arbalest 7y agoThey do burn, but not easily. They only seem to char slightly with an oxy acetylene torch (I assume that's what is being used here) https://www.youtube.com/watch?v=hF_yqriai7E https://www.youtube.com/watch?v=hF_yqriai7E It might be a heatsinking thing, as diamond does transfer heat well, and the metal underneath would continue to carry it away.