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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:

▸ 🎦 Learn how to use mindat.org

▸ Enter our learning center

Rocks and Meteorites

We don't just cover minerals, we also have data on rock and meteorite types.

▸ Rock types

▸ Meteorites

Books & Journals

Free downloads of selected books, magazines and papers.

▸ Download books and magazine list

▸ The mindat.org library

The Elements

Learn about the elements and their role in the mineral world.

▸ The Mineralogy of the Elements

▸ Search minerals by chemistry

Popular Minerals

QuartzFeldsparCalciteOlivinePyriteGoldGraphiteDiamondHaliteFluorite

Mohs Hardness Scale

TalcGypsumCalciteFluoriteApatiteOrthoclaseQuartzTopazCorundumDiamond

Ore Minerals

GalenaCassiteriteChalcopyriteHematiteMagnetiteChalcociteSphaleriteTennantiteColumbiteTantalite

Gem Minerals

CorundumDiamondTopazTourmalineZoisiteBerylSpodumeneZirconQuartzGarnet

Support us

We can't continue without your financial support. We are a 501(c)(3) non-profit.

▸ Make a donation

▸ Corporate sponsorship information

Events

Our calendar of important events for the mineral community.

▸ Search events

▸ How to submit your event

Museums

Our directory of mineral museums and public collections worldwide.

▸ The Museum Directory

▸ Forum on Minerals & Museums

Photography

We have 1,346,003 photographs uploaded by our community.

▸ Search Photos

▸ About mineral photography

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