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- Mineral species5,392
- Rock names2,801
- Other names42,634
- Localities292,620
- Occurrences1,157,414
- Photos865,064
- Articles2,225
- Glossary Items25,926
- Registered Users39,641

Welcome
Mindat.org is the world's largest open database of minerals, rocks, meteorites and the localities they come from.Mindat.org is run by the not-for-profit Hudson Institute of Mineralogy.

Learn
Learn more about rocks and minerals, their origins and their uses:▸ Enter our learning center
▸ Further information for educators

Books & Journals
Free downloads of selected books, magazines and papers.▸ Download books and magazine list
▸ The mindat.org library

About us
Mindat.org is built and maintained by a worldwide community of experts.▸ About mindat.org
▸ Who we are

Past and Future
The mindat project started in 1993. Learn more about our past, and future.▸ History of mindat
▸ Our future

Our Science
Our 'big data' has been instrumental in major new discoveries.▸ Read about our scientific work
▸ Mindat.org as your research partner

Fieldwork
We organize field trips and conferences for our community.▸ Learn about our field trips
▸ Learn about our responsibility policy

Support us
We can't continue without your financial support. We are a 501(c)(3) non-profit.▸ Make a donation
▸ Corporate sponsorship information
Mines and Mining
Without mining our modern society would not exist. Most mining companies today are committed to producing these resources in a way that both benefits the local communities and
has little or no long-term environmental impact. Read on to learn more.
Community Discussions
- Re: Jharia coal mine POTD00:18 23rd Apr 2018 - posted by Niels Brouwer
- Re: Colorado Stream Mining Suggestion (non gold)23:17 22nd Apr 2018 - posted by Paul Brandes
- Re: Painted Matrix?23:16 22nd Apr 2018 - posted by Steve Hardinger
- Re: Painted Matrix?20:50 22nd Apr 2018 - posted by Wayne Corwin
- Re: correct descriptions20:41 22nd Apr 2018 - posted by Reiner Mielke
- Recent DiscussionsClick here to view all recent messages