Reporting a bug
Have you found a problem with mindat.org? If it's something that seems to have gone wrong then please post a message on the messageboard by using this link: https://www.mindat.org/message.php?g=7&n=1
We'll try to help you as soon as we can.
If you think you've found a security vulnerability in the mindat.org site or server and it is something that should not be posted publicly please email the details to info@hudsonmineralogy.org and they will be looked into.
Please note that as we are a small not-for-profit we cannot unfortunately offer any kind of bounty or reward for bug reports, however if you find an issue we were previously unaware of then we would be delighted to provide you with a formal Certificate of Appreciation for your assistance.
Thank you in advance!