Questions tagged [minerals]

for questions about claims based on minerals, naturally occurring inorganic materials.

2 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
7 votes
0 answers
403 views

Is Coltan the main cause of conflict in Congo since 1997?

This PDF (i saw a translated version) has been brought to my attention. it claims that Coltan is the main cause of a conflict which has claimed the lives of four million people since 1997 and as also ...
Duralumin's user avatar
  • 1,673
5 votes
0 answers
1k views

Does cubic zirconia jewelry get scratched in every day use?

Cubic zirconia (CZ) is an artificially produced gemstone that is similar to diamond. When discussing it as a "diamond replacement", I have often seen the claim that it is inferior because it scratches ...
sleske's user avatar
  • 726