Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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 TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
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

Pharmacosiderite from
Hourt quarry, Grand-Halleux, Vielsalm, Luxembourg, Wallonia, Belgium


08979150017365615184643.jpg
Pharmacosiderite, etc.

Hourt quarry, Grand-Halleux, Vielsalm, Luxembourg, Wallonia, Belgium
08979150017365615184643.jpg
Pharmacosiderite, etc.

Hourt quarry, Grand-Halleux, Vielsalm, Luxembourg, Wallonia, Belgium
06424010017364628108386.jpg
Pharmacosiderite, etc.

Hourt quarry, Grand-Halleux, Vielsalm, Luxembourg, Wallonia, Belgium
Locality type:Quarry
Classification
Species:Pharmacosiderite
Formula:KFe43+(AsO4)3(OH)4 · 6-7H2O
Comments:Associated with arsenopyrite. Microprobe analyses have shown that some samples were particularly enriched in Ba.
Habit:microcrystalline crusts consisting of minute cubes coating cavities in quartzite
Colour:yellowish, greenish, brownish
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Ion Microprobe
Associated Minerals Based on Photo Data:
Scorodite1
Data
Mineral Data:Click here to view Pharmacosiderite data
Locality Data:Click here to view Hourt quarry, Grand-Halleux, Vielsalm, Luxembourg, Wallonia, Belgium
Data Identifiers
Mindat Occurrence Record ID:78406
Long-form Identifier:1:3:78406:9
GUID (UUID V4):0
Nearest other occurrences of Pharmacosiderite
3.2km (2.0 miles) ⓘThier des Carrières, Cahay, Vielsalm, Luxembourg, Wallonia, Belgium
References
 
and/or  
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.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
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: September 3, 2026 09:50:44
Go to top of page