Growing interest in Moon resources could cause tension. An international team of scientists has identified a problem with the growing interest in extractable resources on the moon: there aren't enough of them to go around. With no international policies or agreements to decide 'who gets what from where,' scientists believe tensions, overcrowding, and quick exhaustion of resources to be one possible future for moon mining projects. Source 6i.
From the lunar surface, a mixture of dust and rocks, minerals with aluminum and calcium can be extracted. In addition, there could be a larger platinum reserve there than there is on our planet. There would also be iron and titanium, and various REM (Rare Earth Materials).