Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Education

For education topics/questions
Mark all as readStart new discussion in this group

Latest Discussions

5dLooking for Halite Oolites from Tuz Gölü (Turkey) for study purposesPosted by Marco Bonifazi.5dPOTD - galena from Clara Mine - crystal formsPosted by Herwig Pelckmans. 14 replies.2wNeed help about Argentinian minerals?Posted by Dana Lucrecia Ramirez. 8 replies.3wHelvine - large crystals - world class - ?Posted by Herwig Pelckmans. 7 replies.4wMiscibility gap in the feldspar ternary diagramPosted by Paul Hernday. 3 replies.4wFormation of rocksPosted by Paul Hernday. 3 replies.4wOriented inclusionsPosted by Noah Horwitz. 9 replies.4wHow do I differ the zircons and the xenotime-(Y)s from Mount Malosa, Zomba, Southern Region, Malawi?Posted by tianze jin. 4 replies.5wWhere do these types of amethysts come from?Posted by Lynda Rojas. 4 replies.6wHow do I tell them apart?Posted by Mauricio Villafranco Calderón. 2 replies.7wDifferences between common opal and man-made glassPosted by Neutache. 11 replies.9wPendevilleite-(Y)Posted by Luc Vandenberghe. 8 replies.9wCitrinePosted by Richard Goodrick. 7 replies.9wWDXRF analysisPosted by Appel Bartelsen. 4 replies.10wThe origin of our fascination with crystals - Evolutionary Psychology articlePosted by Lou Rector. 8 replies.10wWhy no green quartz coloured by chromium in nature ?Posted by cascaillou. 12 replies.10wWhat Crystals Older Than the Sun Reveal About the Start of the Solar SystemPosted by Herwig Pelckmans. 2 replies.11wParenthesesPosted by Appel Bartelsen. 7 replies.11wYellow Quartz from ChinaPosted by Rosemary Bell. 6 replies.12wLearning the wrong wayPosted by Bob Wolf. 6 replies.14wGlossary entry for "pyrite disease"Posted by Ed Clopton. 33 replies.14wDiamagnetic mineralsPosted by Appel Bartelsen. 8 replies.14wCRYSP: construction and visualization of crystal shapes in natural habits and on planar substratesPosted by Uwe Kolitsch.Jan 2026Which gem mineral has the highest refractive index?Posted by Greg Dainty. 9 replies.Dec 2025Decomposing minerals Posted by Appel Bartelsen. 9 replies.

Older Messages

2008AugNov
2009JanMayJulSepNovDec
2010JanFebMarMayJulSepOctNov
2011FebAprMayJunJulOctNovDec
2012JanFebAprMayJulAugOctDec
2013JanFebMarAprJunJulOctNovDec
2014JanFebMarAprMayJunJulAugSepOctNovDec
2015JanFebMarAprMayJunJulAugSepOctNovDec
2016JanFebMarAprMayJunJulAugSepOctNovDec
2017JanFebMarAprMayJunJulAugSepOctNovDec
2018JanFebMarAprMayJunJulAugSepOctNovDec
2019JanFebMarAprMayJunJulAugSepOctNovDec
2020JanFebMarAprMayJunJulAugSepOctNovDec
2021JanFebMarAprMayJunJulAugSepOctNovDec
2022JanFebMarAprMayJunJulAugSepOctNovDec
2023JanFebMarAprMayJunJulAugSepOctNovDec
2024JanFebMarAprMayJunJulAugSepOctNovDec
2025JanFebMarAprMayJunJulAugSepOctNovDec
2026JanFebMarAprMay

 
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: May 19, 2026 01:16:47
Go to top of page